Lamberts Vitamin C Powder

Lamberts Vitamin C Powder

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Hepatitis is a condition that causes inflammation of your liver. Currently, there are an estimated 6 million people living with hepatitis in the United States, and more than 50,000 people are diagnosed with this disease every year. There are three primary types of hepatitis, and while their symptoms can be similar, they vary largely in the ways they're transmitted. Learning more about each type of hepatitis can help you better understand the condition as a whole.

Hepatitis A is the most easily transmitted of the three viruses. It affects approximately 2,500 people every year in the United States. It typically spreads through feces-contaminated food or water and is found in the feces of people who have the virus. Hepatitis A causes a short-term, acute sickness that most people heal from without treatment. However, it can cause serious illness in some people. This virus is more common in places with underdeveloped sanitation systems.

While doctors can't treat hepatitis A with medication, people who get this virus can manage its symptoms with fluids, rest and good nutrition. There's also a safe and effective vaccine available to protect you against hepatitis A.

What Is Hepatitis B?

Hepatitis B can occur both acutely (meaning it develops quickly and lasts a short time) and chronically (meaning it develops slowly over time and worsens over months or years). According to the Centers for Disease Control and Prevention, up to 2 million people in the United States are chronically affected with hepatitis B. Hepatitis B can be transmitted through sexual activity and exposure to infected blood. It can also be passed from a parent to their newborn child during birth.

Hepatitis B usually causes short-term discomfort that many people recover from completely after about four to eight weeks. However, it can turn into a chronic condition that lasts for years; this is more likely in older adults. Doctors can treat severe chronic hepatitis B with antiviral medications. However, in most cases, treatments focus on proper hydration and nutrition. There's a safe vaccine available to protect you against hepatitis B, too.

What Is Hepatitis C?

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Approximately 4 million people in the United States are affected with hepatitis C. This form of hepatitis causes a chronic illness in over 50% of people who get this type of the virus. It's the least transmissible of the three viruses and can spread through contact with infected blood.

Hepatitis C occurs more commonly in people who engage in intravenous drug use. If you received a blood transfusion before 1992, you should also get tested for hepatitis C if you haven't previously. Hepatitis C can spread through unprotected sexual intercourse, but this is a less common way to transmit it. While there's no vaccine for chronic hepatitis C, treatments that are available today offer a 95% cure rate.

Chronic hepatitis C can significantly affect how your liver works. It can cause cirrhosis, which means that your normal liver tissue is replaced with scar tissue. It can also cause liver cancer. However, there are medications that can help keep this disease in check. Making lifestyle changes, such as reducing or eliminating alcohol from your diet, can also decrease your chances of experiencing complications. In severe cases, hepatitis C may require a liver transplant.

The varying forms of viral hepatitis affect millions of people in the United States. Chronic hepatitis often has few symptoms in its early stages, so recognizing the associated dangers and getting tested if you've been exposed may save your life. Although there are five types of viral hepatitis, only A, B and C are the forms commonly found in the United States.

Resource Links:

"Hepatitis A, B, and C: Learn the Differences," Immunization Action Coalition

"What's the Difference Between Hepatitis A, B and C?," UNC Health Talk

"The ABCs of Hepatitis," Centers for Disease Control and Prevention

"What's the Difference: Hepatitis B vs Hepatitis C?," Hepatitis B Foundation

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Lamberts Vitamin C Powder

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Is Vitamin C Good For Flu

Is Vitamin C Good For Flu

Vitamin C has been touted as a remedy for everything from wrinkles to cancer to colds. The idea that vitamin C is an immune system booster is not new, but the evidence behind the claim is conflicting. Bottom line: Vitamin C is not a silver bullet for the common cold, but it could have some potential benefits for those suffering from the stuffiness, sore throat, and general misery of a cold.

Just What Is Vitamin C?

Vitamin C, also known as L-ascorbic acid, is a vitamin that's essential for the growth and repair of tissues throughout the body, including the gums, cartilage, and skin. Vitamin C is water-soluble, which means it dissolves in water. It is not stored in the body and must be replaced each day. In addition to being found naturally in many foods, such as citrus fruits, tomatoes, and broccoli, it is widely available as a dietary supplement.

Some potential benefits of vitamin C remain unclear. Researchers are investigating whether this potent antioxidant can actually help prevent or delay cancer and heart disease, for instance, by reducing the damage caused by free radicals. That's in addition to decades-long endeavors by scientists trying to determine whether vitamin C could actually help prevent or lessen the severity of the common cold.

Vitamin C and the Common Cold

The idea that vitamin C could help prevent or treat colds dates back to the 1970s when chemist and Nobel laureate Linus Pauling recommended that people take mega-doses of vitamin C to prevent these viral infections. Considering that more than a billion cases of the common cold occur in the United States each year, it's no surprise that researchers put his theory to the test.

Since then, a slew of studies examining the health effects of vitamin C have produced conflicting results, fueling controversy and debate over whether vitamin C has any effect at all on the common cold.

A large analysis of previous studies on the possible protective effects of vitamin C, published in the Cochrane Database of Systematic Reviews in 2013, included studies that involved the use of at least 200 milligrams of vitamin C taken daily as either a preventative measure or treatment for the common cold.

The review found that endurance athletes or those exposed to extreme physical activities or low temperatures who may be deficient in vitamin C could benefit from a supplement. In fact, people in this category cut the incidence of colds by 50 percent by taking a daily dose of vitamin C.

Although that may be good news for marathon runners and Olympic skiers, the study found that for most people, vitamin C does not significantly reduce the risk of catching a cold.

However, researchers noted that taking regular vitamin C supplements while you're healthy could lessen the severity of your symptoms and help you get better more quickly if you do get sick. They found an 8 percent reduction in the duration of colds among adults and a 14 percent reduction among children taking at least 1 gram of vitamin C daily. They noted that this may be because of the antihistamine effect of the high-dose supplement.

The researchers also pointed out that most healthy adults get a cold only two or three times a year, so taking a large dose of vitamin C every day to slightly shorten the duration of only a few colds may not be the best approach. The study also showed that taking vitamin C only after cold symptoms appear does not affect the severity or duration of the illness.

"The failure of vitamin C supplementation to reduce the incidence of colds in the normal population indicates that routine mega-dose prophylaxis is not rationally justified for community use," the researchers concluded. "But evidence suggests that it could be justified in people exposed to brief periods of severe physical exercise or cold environments."

Cold Prevention Tips

Although taking vitamin C may not be a magical cure for colds or the key to cold prevention, you can take steps to protect yourself from these common viral infections.

• Wash your hands often with soap and warm water. It's especially important to wash your hands after blowing your nose, sneezing, coughing, changing a diaper, or using the bathroom. And always wash your hands before you eat.
• Avoid touching your eyes, nose, or mouth.
• Steer clear of people who are sick, and stay at home if you have symptoms of a cold or the flu.
• Avoid close contact with others.
• Cover your mouth and nose when you cough or sneeze.
• Immediately discard used tissues.
• Regularly clean or disinfect surfaces and commonly shared objects, such as doorknobs, toys, and light switches.

Is Vitamin C Good For Flu

Source: https://www.everydayhealth.com/cold-and-flu/vitamin-c-role-in-colds.aspx

Harga Vitamin C Blackmore 500 Mg

Harga Vitamin C Blackmore 500 Mg

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Whether in the form of a fizzy drink or flavored lozenges, cold and flu preventative supplements almost always highlight vitamin C as one of their key ingredients. So, what's so magical about vitamin C? Also known as ascorbic acid, vitamin C is critical to living healthily. Since the human body cannot spontaneously generate this nutrient, vitamin C must instead be absorbed from outside sources, such as vitamin supplements or foods that are naturally rich in it.

Commonly found in cold and flu preventative supplements, vitamin C strengthens and speeds up immune system functionality. Though research does not indicate that vitamin C intake alone can prevent the onset of cold or flu, adequate daily intake may shorten the duration of an infection or lessen the severity of symptoms.

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Vitamin C is crucial for the maintenance of well being. For example, it plays a role in wound healing and helps maintain many essential body tissues. It also acts as a potent antioxidant and can repair damage from free radicals, which are linked to aging effects, and disease vulnerability. Additionally, vitamin C can also prevent anemia, since it helps the body increase absorption of dietary iron, another vital mineral that the body cannot spontaneously create.

Foods that contain high concentrations of vitamin C have been linked with a lower risk of cardiovascular disease, like heart attack and stroke. Vitamin C can also increase levels of nitric oxide, a compound that widens blood vessels and, in turn, lowers blood pressure. In addition, regular intake of vitamin C, along with other vitamins, has been linked to a decreased risk for developing age-related cataracts, a leading cause of visual impairment in the United States.

Common Sources of Vitamin C

Vitamin C can be easily obtained through the many different foods, including:

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• Citrus fruits and juices (orange, grapefruit, lemon, lime and tangerine)
• Berries
• Melons
• Mangoes
• Kiwi
• Tomato
• Broccoli
• Red peppers
• Spinach
• Squash
• Potatoes

Cooking these foods may result in the loss of some of the vitamin content, so it is ideal to ingest them raw, either whole or juiced. Nowadays, there are also numerous packaged food products, like cereals, that have been enriched and fortified with vitamin C, so that the nutrient can be easily obtained.

Vitamin C may also be labeled as "L-ascorbic acid" in supplement form, and most over-the-counter multivitamins contain the recommended daily amount of the vitamin. While it is a good source when an individual is in need of a vitamin C boost, supplements are not meant to replace a diet rich in naturally derived vitamin C.

What Happens When You Have Too Much — or Too Little — Vitamin C?

Vitamin C is a water-soluble vitamin that can be easily flushed out of the body via urination when it is not needed. Therefore, if the main source of vitamin C is from naturally occurring foods, it is near-impossible for excess vitamin C to produce side effects. However, taking excessive concentrated vitamin C supplements may lead to diarrhea or stomach upset.

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Since vitamin C-rich foods are so readily available nowadays, symptoms of inadequate vitamin C intake are also rare in the United States. However, malnourished individuals can experience symptoms of vitamin C deficiency over time, including:

• Weakness
• Fatigue
• Anemia
• Easy bruising
• Joint pain
• Skin breakdown
• Weakened tooth enamel
• Gum inflammation

Severe vitamin C deficiency is referred to as scurvy. Scurvy can be easily treated with increased dietary or supplemental vitamin C. Since vitamin C is crucial in the detoxification of the body, a lack of vitamin C can compromise the immune system and make an individual more susceptible to diseases and infections. Individuals with insufficient vitamin C may find that it takes longer than usual to recover from a cold or a physical wound.

Daily Dosage Recommendations:

The daily dosage recommendation for vitamin C is different for everyone, depending on factors such as gender, age, lifestyle and current health condition. The recommended daily dosage for vitamin C is at least 75 mg daily for women and 90 mg for men. Since people who are pregnant, breast feeding, smoking or using oral contraceptives have a lower blood level of vitamin C than others, larger doses of vitamin C may be needed to achieve optimal results in these individuals. Those who have prior or current medical conditions may also require bigger or smaller dosage levels, as recommended by their healthcare providers.

Resource Links:

• "Vitamin C" via MedlinePlus
• "Vitamin C and Infections" via MDPI
• "Extra Dose of Vitamin C Based on a Daily Supplementation Shortens the Common Cold: A Meta-Analysis of 9 Randomized Controlled Trials" via Hindawi, BioMed Research International
• "Vitamin C" via National Institutes of Health
• "Scurvy" via U.S. Department of Health & Human Services, National Institutes of Health
• "Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies" via The American Journal of Clinical Nutrition
• "Dietary vitamin and carotenoid intake and risk of age-related cataract" via The American Journal of Clinical Nutrition
• "Cardiovascular System" via Department of Anatomy, Seoul National University College of Medicine (via Springer)

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Harga Vitamin C Blackmore 500 Mg

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Food With High Vitamin C And Fiber

Food With High Vitamin C And Fiber

October 24, 2018 • 4 min read

Many people insist weight control is as simple as "calories in, calories out." Health, on the other hand, isn't nearly so simple. For optimal health and athletic performance, fill your belly with foods that pack not only calories from macronutrients, but also adequate amounts of certain must-have micronutrients.

Vitamin C and vitamin B-1 (thiamin) are two crucial water-soluble vitamins that provide an abundance of benefits. The immune-boosting properties of vitamin C can help you continue hitting the weights hard throughout the ebb and flow of volume and intensity, while B-1 will ensure you have the energy needed to complete those high-volume sessions.

Vitamin C: Why You Need It, And How Much You Need

Vitamin C plays an important role in immune function and is essential for proper functioning of immunity-boosting cells like T-cells.[1] Additionally, vitamin C acts as an antioxidant to rid the body of those nasty, stress-induced free radicals.

Vitamin C may also help support the health of tendons and ligaments. That's because this benevolent water-soluble vitamin is used to make collagen. The most abundant protein in the body, collagen functions in the growth and repair of bodily tissues such as tendons, ligaments, skin, blood vessels, and bone.[2]

Collagen also aids in the absorption of the type of iron found in plant-based foods by converting it to a more absorbable form. This is especially important for female athletes to know, as women are more likely to be iron-deficient than men. Besides causing you to feel fatigued, iron deficiency can lead to frequent infections, headaches, cold hands and feet, and overall weakness.

How much you need: The current RDA for vitamin C is set at 60 milligrams per day for both men and women. However, research strongly suggests an intake of 90-100 milligrams per day to reduce the risk of cardiovascular disease and cancer.[3]

Foods Rich In Vitamin C

1. Kiwi: 117% RDA Per Kiwi

While oranges get all the accolades when it comes to vitamin C, gram for gram, this fuzzy fruit actually provides more. In fact, the kiwi might be good-mood food. In a study conducted in the Journal of Nutritional Science, investigators found that people who ate two kiwi every day for six weeks tended to have a more positive outlook on life.[4] The payload of vitamin C in kiwi may play a role in emotion-stabilizing brain functions.

While oranges get all the accolades when it comes to vitamin c, gram for gram, this fuzzy fruit actually provides more.

2. Yellow Bell Pepper: 569% RDA Per Large Pepper

Dietitians often trumpet the importance of eating the rainbow to obtain a full arsenal of nutrients and antioxidants, so make sure to include yellow peppers in your salads and stir-fries for a significant shot of vitamin C. The supermarket stalwart also supplies some vitamin B-6, which plays a major role in serotonin production. Serotonin is essential for optimal mood balance. You can also load up on vitamin C with red bell peppers.

3. Broccoli Stalks: 177% RDA Per Stalk

As a surprisingly great source of vitamin C, broccoli stalks should be in your belly, not the compost bin. The fibrous outer layer covers deliciously tender stalks. You can shave them into ribbons with a vegetable peeler and add them raw to salads and slaws. You can slice them thinly and toss them into a skillet when making stir-fries or sautéing up a bunch of leafy greens. The florets are also jam-packed with vitamin C.

As a surprisingly great source of vitamin C, broccoli stalks should be in your belly, not the compost bin.

Other good sources of vitamin C include parsley, kale, mustard greens, hot peppers, peaches, strawberries, grapefruit, orange, pummelos, Brussels sprouts, and mangoes.

Thiamin Why You Need It, And How Much You Need

Also known as vitamin B-1, thiamin is a water-soluble vitamin required for your cells to be able to generate energy from carbohydrates. When you eat carbs from oats, sweet potato, or fruits, your body calls upon this nutrient to convert those carbs into useful energy to help power your workouts and other daily functions. Thiamin also plays a role in conducting nerve impulses and muscular contractions.[5]

How much you need: Men need to take in 1.2 milligrams daily, while women should consume 1.1 milligrams each day.

Foods Rich In Thiamin

1. Pork Tenderloin: 57% RDA Per 3 Ounces

More flavorful than chicken breast, pork tenderloin is an economical source of thiamin and protein—each 3-ounce serving has 18 grams of tender protein goodness. Ounce for ounce, it contains five times less fat than beef tenderloin with an easier-to-swallow price tag.

More flavorful than chicken breast, pork tenderloin is an economical source of thiamin and protein—each 3-ounce serving has 18 grams of tender protein goodness.

To prepare pork tenderloin, preheat your oven to 450 degrees F. Heat 1 tablespoon of oil in an ovenproof skillet over medium-high heat. Add the pork and sear it until it's browned on all sides, about 6-8 minutes. Transfer the skillet to the oven and roast the pork until an instant-read thermometer inserted into thickest part of the meat registers 145 degrees F, another 10-15 minutes. Let the tenderloin rest 10 minutes before slicing.

2. Lentils 56%: RDA Per 1/2 Cup

Sure, thiamin is one of the nutrients pumped back into refined grains, but a much healthier approach to getting what you need each and every day is to focus on whole-food sources like lentils. On top of energy-boosting thiamin, budget-friendly lentils supply plant-based protein and a wide berth of other must-have nutrients like folate, magnesium, and iron. Pair your lentils with a sauté of broccoli stalk greens for enhanced iron absorption!

3. Wheat Germ: 36% RDA Per 1/4 Cup

Unprocessed wheat consists of three parts: endosperm, germ, and bran. Refining strips away the fiber-rich bran and nutrient-dense germ, leaving behind the starchy, nutrient-poor endosperm. This makes concentrated wheat germ an often overlooked source for a range of useful nutrients like thiamin, phosphorus, vitamin B-6, and zinc. Whether in oatmeal, pancake batter, or a coating for chicken, wheat germ can easily find its way into your day.

Concentrated wheat germ is an often overlooked source for a range of useful nutrients like thiamin, phosphorus, vitamin B-6, and zinc.

Other good sources of thiamin include black beans, navy beans, rice bran, oat bran, oats, barley, kamut, flaxseed, tahini, ham, and venison.

References

1. Ströhle, A., & Hahn, A. (2009). Vitamin C and immune function.Medizinische Monatsschrift fur Pharmazeuten, 32(2), 49-54.
2. Boyera, N., Galey, I. & Bernard, B.A. (1998). Effect of vitamin C and its derivatives on collagen synthesis and cross-linking by normal human fibroblasts.International Journal of Cosmetic Science, 20(3). 151-158.
3. Carr, A. C., & Frei, B. (1999). Toward a new recommended dietary allowance for vitamin C based on antioxidant and health effects in humans.The American Journal of Clinical Nutrition, 69(6), 1086-1107.
4. Carra, A.C., Bozoneta, S.M., Pullara, J.M. & Vissera, M.C. (2013). Mood improvement in young adult males following supplementation with gold kiwifruit, a high-vitamin C food.Journal of Nutritional Science, 2, 24-32.
5. Ehrlich, S. (2015). Thiamin. University of Maryland Medical Center. Accessed December 16, 2015. https://umm.edu/health/medical/altmed/supplement/vitamin-b1-thiamine.

Food With High Vitamin C And Fiber

Source: https://www.bodybuilding.com/content/the-best-food-sources-of-vitamins-c-and-b-1.html

Dr Wu Vitamin C

Dr Wu Vitamin C

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These Are The 6 Best Vitamin C Serums For Brighter, Clearer Skin

Amazon/Bustle

There's never a bad time to amp up your skin care regimen's sun protection defenses. Whether you're looking to keep your skin safe from future signs of sun damage or help reduce the appearance of damage that's already been done (aka sun spots), incorporating one of the best vitamin C serums into your beauty routine can help.

In an ingredients list, you'll most likely find vitamin C listed as l-ascorbic acid, which experts agree is the most effective form of vitamin C, along with tetrahexyldecyl ascorbate. You'll also want to pay attention to the concentration level of the vitamin C, as something between 10 and 20 percent is said to be the most stable, and therefore, the most effective when it comes to protecting the skin and improving its overall tone and texture.

While you can certainly apply your vitamin C serum at night, to reap its full sun-protecting benefits, apply it in the morning after cleansing, and before you moisturize and layer on your SPF (which, yes, you still need to wear). You'll also want to be careful about using your vitamin C serum after any cleansers, treatments, or moisturizers that contain salicylic acid, glycolic acid, or retinol, as this can heighten common side effects that come with these ingredients, like burning and redness (especially if you have sensitive skin).

It's also worth noting that vitamin C is a delicate ingredient because it degrades from sun exposure. Because of this, you'll want to store your serum away from the sunlight and be on the lookout for any changes in its color, texture, or smell. A serum packaged in a darker bottle is also ideal, as it helps minimize the product's exposure to sunlight.

Ahead, you'll find six of the best vitamin C serums that are all Amazon user-approved to brighten, protect, and firm your skin.

1

The Best Serum For Vitamin C Newbies

This K-beauty favorite serum contains a mild dose of 5 percent vitamin C to allow your skin to accustom itself with the active ingredient. While that's still enough to notice the brightening and skin tone-evening benefits, the smaller percentage means its also gentler and less likely to irritate skin. Reviewers love its lightweight texture and say a little goes a long way, so you only need a couple of drops. Some have even had luck with using it on their bodies to help fade unwanted scars.

Klairs Freshly Juiced Vitamin C Serum is also an Amazon-user favorite with hundreds of five-star reviews. "I used this product for a few months and then switched to one with a higher percentage of Vitamin C only to find that it didn't work nearly as well," writes one reviewer. "I'm back to using Klairs and am so impressed by the positive change I see in my skin when I use it — it's brighter, smoother, and more even — even though it's a mild product."

The only downside with this serum is that, since it comes in a clear bottle, you'll want to be extra careful with storing it somewhere away from the sun.

2

The Best Vitamin C Serum For Sensitive Skin

If you have sensitive skin, you might have luck with the low-concentration Klairs option, above. But it does contain a few ingredients that some particularly sensitive skin types negatively react to, like propylene glycol. For a super safe, all natural pick, try this all-natural pick from Mad Hippie. It uses vitamin C in the form of sodium ascorbyl phosphate, which is said to cause less irritation and reduce the risk of oxidation. Mad Hippie formulated this serum with other complementary ingredients, like vitamin E and ferulic acid, which both improve and protect the skin from damaging free radicals. And ferulic acid also helps stabilize both vitamins C and E, so that they're even more effective. To keep skin moisturized, hyaluronic acid is included in the formula, while konjac root and chamomile extract work to protect and soothe the skin. There's also a dose of clary sage, which acts as a natural toner and astringent.

"I have very sensitive skin and normally I cannot use vitamin C serums at all," writes a reviewer. "This one does not sting or burn at all." Another user notes, "Within a week or so, I saw a smoother texture to my skin. By the end of the bottle, my skin looked smoother, brighter, and three darker spots on my face [from sun damage] were at least 80 percent lighter."

3

A Vitamin C Serum That Produces An Instant Glow

Yes, all vitamin C serums brighten the skin with continued use, but The Body Shop Vitamin C Skin Boost Instant Smoother also leaves skin glowing directly after you apply it, thanks to the tiny mineral glowing particles it contains. Long-term brightening, protecting, and collagen-boosting effects come from ascorbic acid and the vitamin C-packed camu camu berries that The Body Shop has hand harvested by local collectors on the riverbanks of the Amazon River. Vitamin E provides the skin with more protection against environmental aggressors as it softens, and Community Fair Trade Brazil nut oil further moisturizes the skin. Additionally, dimethicone and glycerin give the serum a smooth texture that helps to blur pores and even out skin tone, making this a great primer, too.

4

The Best Vitamin C Serum For Acne-Prone Skin

This serum might be a bit of a splurge, but its powerful formula means serious results. The brand works with a team of assorted experts to develop each product, including geneticists, biologists, and physicians. For their iS Clinical Pro-Heal Serum Advance+, they developed a vitamin C combo that works for all skin types, including acne-prone. Time-released vitamin C means prolonged antioxidant protection, while vitamins E and A contribute even more antioxidant benefits. iS Clinical included inflammation-reducing zinc sulfate, blemish-preventing kojic acid, and nourishing olive leaf extract to combat signs of acne while helping to prevent future breakouts.

5

The Best Drugstore Vitamin C Serum

For a more affordable option, e.l.f's Beauty Shield Vitamin C Pollution Prevention Serum costs less than $20. Despite its low price, the serum still contains your vitamin C, as well as vitamin E and pomegranate extract, which provides even more vitamin C benefits. You'll also notice glycerin and hyaluronic acid on the ingredients list to leave the skin smooth and moisturized. It's even cruelty-free and vegan, and formulated without parabens, sulfates, or phthalates.

6

The Best Vitamin C Booster Powder

If you're into DIY beauty (or you just want to customize your vitamin C application), a vitamin C booster powder, like the Resurrection Beauty L-Ascorbic Acid Powder, is the perfect choice. This jar solely contains vitamin C in the form of l-ascorbic acid, which is meant to be dissolved in water or witch hazel before being added into your favorite hydrating serum. It can even be added to your nightly moisturizer, sunscreen, or body lotion. Because you're mixing this yourself, you can start with a lower concentration of vitamin C, like 5 percent, and work your way up to 20 percent (the maximum amount recommended) as your skin learns to tolerate it.

Many Amazon reviewers share the different ways they use this powder to make custom treatments. "How terrific to find cosmetic grade vitamin C to make my own solution," one raves. "All skin care experts claim this is the best for anti-aging, however very unstable. This fixes the problem and at an reasonable price. I just mix small batches to last for a week. And in just a few weeks I can see the difference in my skin." Another recommends mixing it with aloe-vera for a skin-soothing and brightening mask.

Bustle may receive a portion of sales from products purchased from this article, which was created independently from Bustle's editorial and sales departments.

Dr Wu Vitamin C

Source: https://www.bustle.com/p/the-6-best-vitamin-c-serums-16980515

Does Vitamin C Cause Cancer

Does Vitamin C Cause Cancer

Vitamin B6, or pyridoxine, is a water-soluble vitamin found naturally in many foods, as well as added to foods and supplements. Pyridoxal 5' phosphate (PLP) is the active coenzyme form and most common measure of B6 blood levels in the body. PLP is a coenzyme that assists more than 100 enzymes to perform various functions, including the breakdown of proteins, carbohydrates, and fats; maintaining normal levels of homocysteine (since high levels can cause heart problems); and supporting immune function and brain health.

Recommended Amounts

RDA: The Recommended Dietary Allowance (RDA) for men ages 14-50 years is 1.3 mg daily; 51+ years, 1.7 mg. The RDA for women ages 14-18 years is 1.2 mg; 19-50 years, 1.3 mg; and 51+ years, 1.5 mg. For pregnancy and lactation, the amount increases to 1.9 mg mcg and 2.0 mg, respectively. [1]

UL: A Tolerable Upper Intake Level (UL) is the maximum daily dose unlikely to cause adverse side effects in the general population. The UL for adults 19 years and older is 100 mg daily, with slightly lesser amounts in children and teenagers. This amount can only be achieved by taking supplements. Even higher amounts of vitamin B6 supplements are sometimes prescribed for medical reasons, but under the supervision of a physician as excess vitamin B6 can cause toxicity. [1,2]

Vitamin B6 and Health

Vitamin B6 has been widely studied for its role in disease prevention. The vitamin in supplement form shows the most promise for the treatment of pregnancy-induced nausea, but such use should only occur under the supervision of a physician. Adequate blood levels of B6 may be associated with lower risk of cancers, compared to low blood levels. However, the use of separate B6 supplements (apart from the RDA amounts in typical multivitamin preparations) is inconclusive and not recommended.

Cardiovascular disease

High homocysteine levels are associated with an increased risk of heart disease and stroke as it may promote the formation of blood clots and excess free radical cells, and may impair normal blood vessel function. A lack of adequate vitamin B6, along with vitamin B12 and folic acid, can increase homocysteine levels. Although epidemiological studies have found that vitamin B supplementation can decrease homocysteine levels, they have not consistently shown a decreased risk of cardiovascular events in taking the vitamins. Therefore the American Heart Association does not advocate for the use of B vitamin supplements for reducing cardiovascular disease risk. [3]

• In a study from Norway, results from two randomized double-blinded controlled trials were combined, consisting of 6,261 participants followed for more than three years. The participants were given either a B-vitamin complex with folic acid, B12, and B6; folic acid and B12; 40 mg B6 alone; or a placebo. There were no differences in cardiac events or cardiac deaths in the vitamin B6 groups compared with the placebo group. [4]
• A Cochrane review was conducted with randomized controlled trials looking at the effects of homocysteine-lowering interventions (B6, B12, folic acid supplements alone or in combination) for the prevention of cardiovascular events (stroke, heart attack). The follow-up period was one year or longer. The review did not find a difference in heart attacks or deaths between the B supplements or placebo; it did find a small association with reduced strokes with the supplements given alone or in combination, compared with placebo. [5]

Cognitive function

Vitamin B6 may indirectly help with brain function by lowering levels of homocysteine, as high levels of this protein in the body have been linked with a higher incidence of dementia, Alzheimer's disease, and cognitive decline. However, there is a lack of controlled trials showing that supplementation can slow cognitive decline.

A Cochrane review looked at 14 randomized controlled trials that evaluated the cognitive effects on people who used B vitamin supplements for at least three months. [6] It did not find an effect of the supplements (B6 alone or in combination with B12 and folic acid) on cognition in older adults (60+ years) without dementia at baseline, compared with a placebo.

Cancer

A systematic review of both epidemiological and clinical studies looked at the relationship of dietary intake or blood levels of vitamin B6 and all cancers. [7] The epidemiological studies found that a high intake of vitamin B6 foods and higher B6 blood levels were significantly associated with a lower risk of all cancers, most notably gastrointestinal cancers. However when total B6 intake from food and supplements was assessed, the protective effect weakened. The clinical studies did not find a protective effect of B6 supplements but the quality of these studies was rated low because B6 was not given alone and because cancer was not the main outcome studied. The authors concluded an unclear role of vitamin B6 in cancer prevention because of the discrepancy between results from epidemiological and intervention studies. They suggested that higher levels of B6 in the body may reflect the status of other nutrients that are protective against cancer.

Vitamin B6 is believed to play a role in colorectal cancer through its enzyme activity that may reduce oxidative stress and the spread of tumor cells. Vitamin B6 deficiency is associated with chronic inflammation, a risk factor for colorectal cancer.

• A meta-analysis of epidemiological studies did not find that B6 supplements reduced colorectal cancer risk. [8] However, when measuring pyridoxal 5' phosphate (PLP) blood levels, participants who had higher PLP showed a 30-50% reduced risk of the cancer. The authors noted potential confounding factors in these studies such as healthy lifestyle behaviors (higher level of exercise, no smoking, higher intakes of other vitamins) that could have protected against colorectal cancer.
• Two prospective studies of men and women from the Physicians' Health Study and Nurses' Health Study cohorts found a protective effect of higher PLP blood levels and B6 intakes (from food and supplements) on colorectal cancer risk. This result remained after adjusting for intakes of folate, multivitamins, and methionine (nutrients that may be protective against colorectal cancer). [9,10]

Morning sickness

Vitamin B6 has long been documented as a remedy to help relieve pregnancy-related nausea and its most severe form, hyperemesis gravidarum, which sometimes necessitates hospitalization due to severe dehydration.

• A blinded randomized controlled trial of 77 pregnant women found that 40 mg of vitamin B6 taken twice daily reduced the severity of mild to moderate nausea compared with a placebo. [11]
• A review of randomized controlled trials showed that vitamin B6 supplements (up to 10 mg daily) was associated with improved symptoms of mild pregnancy-related nausea compared with a placebo. [12] For moderate to severe nausea, a combination of vitamin B6 and doxylamine (an antihistamine) taken preventively before symptoms started was more effective than taking it after the nausea started.
• Over-the-counter vitamin B6 and B6 with doxylamine are recommended as safe and effective first-line treatments for pregnancy-related nausea by the American College of Obstetricians and Gynecologists. [13]

Food Sources

Vitamin B6 is found in a variety of animal and plant foods.

• Beef liver
• Tuna
• Salmon
• Fortified cereals
• Chickpeas
• Poultry
• Some vegetables and fruits, especially dark leafy greens, bananas, papayas, oranges, and cantaloupe

Signs of Deficiency and Toxicity

Deficiency

A vitamin B6 deficiency most often occurs when other B vitamins in the body are low, particularly vitamin B12 and folic acid. A mild deficiency may have no symptoms, but a more severe or prolonged deficiency can exhibit the following:

• Microcytic anemia
• Skin conditions
• Depression
• Confusion
• Lowered immunity

Certain conditions can increase the risk of developing a deficiency by interfering with the absorption of vitamin B6:

• Kidney disease
• Autoimmune intestinal disorders like celiac disease, ulcerative colitis, and Crohn's disease
• Autoimmune inflammatory disorders such as rheumatoid arthritis
• Alcoholism

Toxicity

It is quite unlikely to reach a toxic level of vitamin B6 from food sources alone. Vitamin B6 is a water-soluble vitamin so that unused amounts will exit the body through the urine. [2] However, a toxic level can occur from long-term very high dose supplementation of greater than 1,000 mg daily. [1] Symptoms usually subside after stopping the high dosage. Symptoms include:

• Neuropathy in feet and hands
• Ataxia (loss of control of body movements)
• Nausea

Related

B Vitamins
Vitamins and Minerals

References

1. Institute of Medicine. Dietary reference intakes for thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline. Washington, DC:National Academy Press,1999.
2. U.S. Department of Health and Human Services. Vitamin B6 Fact Sheet for Health Professionals. Accessed 5/6/19.
3. Lichtenstein AH, Appel LJ, Brands M, Carnethon M, Daniels S, Franch HA, Franklin B, Kris-Etherton P, Harris WS, Howard B, Karanja N. Diet and lifestyle recommendations revision 2006: a scientific statement from the American Heart Association Nutrition Committee. Circulation. 2006 Jul 4;114(1):82-96.
4. Ebbing M, Bønaa KH, Arnesen E, Ueland PM, Nordrehaug JE, Rasmussen K, Njølstad I, Nilsen DW, Refsum H, Tverdal A, Vollset SE. Combined analyses and extended follow‐up of two randomized controlled homocysteine‐lowering B‐vitamin trials. Journal of internal medicine. 2010 Oct 1;268(4):367-82.
5. Martí‐Carvajal AJ, Sola I, Lathyris D, Dayer M. Homocysteine‐lowering interventions for preventing cardiovascular events. Cochrane Database of Systematic Reviews. 2017(8).
6. Rutjes  AWS, Denton  DA, Di Nisio  M, Chong  LY, Abraham  RP, Al‐Assaf  AS, Anderson  JL, Malik  MA, Vernooij  RWM, Martínez  G, Tabet  N, McCleery  J. Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life. Cochrane Database of Systematic Reviews. 2018(12).
7. Mocellin S, Briarava M, Pilati P. Vitamin B6 and cancer risk: a field synopsis and meta-analysis. JNCI: Journal of the National Cancer Institute. 2017 Mar 1;109(3).
8. Zhang XH, Ma J, Smith-Warner SA, Lee JE, Giovannucci E. Vitamin B6 and colorectal cancer: current evidence and future directions. World journal of gastroenterology: WJG. 2013 Feb 21;19(7):1005.
9. Wei EK, Giovannucci E, Selhub J, Fuchs CS, Hankinson SE, Ma J. Plasma vitamin B6 and the risk of colorectal cancer and adenoma in women. J Natl Cancer Inst. 2005; 97:684–692.
10. Lee JE, Li H, Giovannucci E, et al. Prospective study of plasma vitamin B6 and risk of colorectal cancer in men.Cancer Epidemiol Biomarkers Prev. 2009; 18:1197–1202.
11. Sharifzadeh F, Kashanian M, Koohpayehzadeh J, Rezaian F, Sheikhansari N, Eshraghi N. A comparison between the effects of ginger, pyridoxine (vitamin B6) and placebo for the treatment of the first trimester nausea and vomiting of pregnancy (NVP). The Journal of Maternal-Fetal & Neonatal Medicine. 2018 Oct 2;31(19):2509-14.
12. McParlin C, O'Donnell A, Robson SC, Beyer F, Moloney E, Bryant A, Bradley J, Muirhead CR, Nelson-Piercy C, Newbury-Birch D, Norman J. Treatments for hyperemesis gravidarum and nausea and vomiting in pregnancy: a systematic review. JAMA. 2016 Oct 4;316(13):1392-401.
13. Erick M, Cox JT, Mogensen KM. ACOG Practice Bulletin 189: Nausea and Vomiting of Pregnancy. Obstetrics & Gynecology. 2018 May 1;131(5):935.

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The contents of this website are for educational purposes and are not intended to offer personal medical advice. You should seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website. The Nutrition Source does not recommend or endorse any products.

Does Vitamin C Cause Cancer

Source: https://www.hsph.harvard.edu/nutritionsource/vitamin-b6/

Deadly Dose Of Vitamin C

Deadly Dose Of Vitamin C

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Whether in the form of a fizzy drink or flavored lozenges, cold and flu preventative supplements almost always highlight vitamin C as one of their key ingredients. So, what's so magical about vitamin C? Also known as ascorbic acid, vitamin C is critical to living healthily. Since the human body cannot spontaneously generate this nutrient, vitamin C must instead be absorbed from outside sources, such as vitamin supplements or foods that are naturally rich in it.

Commonly found in cold and flu preventative supplements, vitamin C strengthens and speeds up immune system functionality. Though research does not indicate that vitamin C intake alone can prevent the onset of cold or flu, adequate daily intake may shorten the duration of an infection or lessen the severity of symptoms.

Photo Courtesy: Catherine Falls Commercial/Moment/Getty Images

Vitamin C is crucial for the maintenance of well being. For example, it plays a role in wound healing and helps maintain many essential body tissues. It also acts as a potent antioxidant and can repair damage from free radicals, which are linked to aging effects, and disease vulnerability. Additionally, vitamin C can also prevent anemia, since it helps the body increase absorption of dietary iron, another vital mineral that the body cannot spontaneously create.

Foods that contain high concentrations of vitamin C have been linked with a lower risk of cardiovascular disease, like heart attack and stroke. Vitamin C can also increase levels of nitric oxide, a compound that widens blood vessels and, in turn, lowers blood pressure. In addition, regular intake of vitamin C, along with other vitamins, has been linked to a decreased risk for developing age-related cataracts, a leading cause of visual impairment in the United States.

Common Sources of Vitamin C

Vitamin C can be easily obtained through the many different foods, including:

Photo Courtesy: Akaradech Pramoonsin/Moment/Getty Images

• Citrus fruits and juices (orange, grapefruit, lemon, lime and tangerine)
• Berries
• Melons
• Mangoes
• Kiwi
• Tomato
• Broccoli
• Red peppers
• Spinach
• Squash
• Potatoes

Cooking these foods may result in the loss of some of the vitamin content, so it is ideal to ingest them raw, either whole or juiced. Nowadays, there are also numerous packaged food products, like cereals, that have been enriched and fortified with vitamin C, so that the nutrient can be easily obtained.

Vitamin C may also be labeled as "L-ascorbic acid" in supplement form, and most over-the-counter multivitamins contain the recommended daily amount of the vitamin. While it is a good source when an individual is in need of a vitamin C boost, supplements are not meant to replace a diet rich in naturally derived vitamin C.

What Happens When You Have Too Much — or Too Little — Vitamin C?

Vitamin C is a water-soluble vitamin that can be easily flushed out of the body via urination when it is not needed. Therefore, if the main source of vitamin C is from naturally occurring foods, it is near-impossible for excess vitamin C to produce side effects. However, taking excessive concentrated vitamin C supplements may lead to diarrhea or stomach upset.

Photo Courtesy: Violeta Stoimenova/E+/Getty Images

Since vitamin C-rich foods are so readily available nowadays, symptoms of inadequate vitamin C intake are also rare in the United States. However, malnourished individuals can experience symptoms of vitamin C deficiency over time, including:

• Weakness
• Fatigue
• Anemia
• Easy bruising
• Joint pain
• Skin breakdown
• Weakened tooth enamel
• Gum inflammation

Severe vitamin C deficiency is referred to as scurvy. Scurvy can be easily treated with increased dietary or supplemental vitamin C. Since vitamin C is crucial in the detoxification of the body, a lack of vitamin C can compromise the immune system and make an individual more susceptible to diseases and infections. Individuals with insufficient vitamin C may find that it takes longer than usual to recover from a cold or a physical wound.

Daily Dosage Recommendations:

The daily dosage recommendation for vitamin C is different for everyone, depending on factors such as gender, age, lifestyle and current health condition. The recommended daily dosage for vitamin C is at least 75 mg daily for women and 90 mg for men. Since people who are pregnant, breast feeding, smoking or using oral contraceptives have a lower blood level of vitamin C than others, larger doses of vitamin C may be needed to achieve optimal results in these individuals. Those who have prior or current medical conditions may also require bigger or smaller dosage levels, as recommended by their healthcare providers.

Resource Links:

• "Vitamin C" via MedlinePlus
• "Vitamin C and Infections" via MDPI
• "Extra Dose of Vitamin C Based on a Daily Supplementation Shortens the Common Cold: A Meta-Analysis of 9 Randomized Controlled Trials" via Hindawi, BioMed Research International
• "Vitamin C" via National Institutes of Health
• "Scurvy" via U.S. Department of Health & Human Services, National Institutes of Health
• "Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies" via The American Journal of Clinical Nutrition
• "Dietary vitamin and carotenoid intake and risk of age-related cataract" via The American Journal of Clinical Nutrition
• "Cardiovascular System" via Department of Anatomy, Seoul National University College of Medicine (via Springer)

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Deadly Dose Of Vitamin C

Source: https://www.symptomfind.com/health/vitamin-c-everything-you-need-to-know?utm_content=params%3Ao%3D740013%26ad%3DdirN%26qo%3DserpIndex