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Vitamin C (ascorbic acid)

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Treatment Type: Herbal and Nutritional Supplements
Caregiver: Do it Yourself

Vitamin C (ascorbic acid) is a water soluble antioxidant vitamin that is present in some foods, and which is a popular dietary supplement. Clinical studies in the effectiveness of supplementary Vitamin C to prevent and treat allergies in humans are mixed.

A 2011 meta-analysis of studies did not find any evidence supporting the use of Vitamin C to prevent or manage allergies.

However, a 2014 study which looked at blood serum levels of Vitamin C in asthmatic children found that "a relatively low dietary intake of vitamin C is associated with an increased risk of asthma and wheezing. Moreover, asthmatic patients who consumed vitamin C exhibited an improvement in their diseases."

Some studies have found that oxygen free radicals have a causal role in auto-immune diseases, such as rheumatoid arthritis (RA).

However, a report by the Harvard School of Public Health, found that "Randomized, placebo-controlled trials—which, when performed well, provide the strongest evidence—offer little support that taking vitamin C, vitamin E, beta-carotene, or other single antioxidants provides substantial protection against heart disease, cancer, or other chronic conditions. The results of the largest such trials have been mostly negative."

Vitamin C supplements come in immediate and time-released tablets, powders and creams.

Shop for Vitamin C (ascorbic acid)

Bronson Vitamin C Crystals (Powder) GMO Free Pure ...

Bronson Vitamin C Crystals (Powder) GMO Free Pure ...

$ 4998 ($0.15/Count) $49.98

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NOW Foods Vitamin C Crystals, Ascorbic Acid, 1 Pou...

NOW Foods Vitamin C Crystals, Ascorbic Acid, 1 Pou...

$ 1199 ($0.15/Count) $14.74

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Viva Naturals Premium Non-GMO Vitamin C with Biofl...

Viva Naturals Premium Non-GMO Vitamin C with Biofl...

$ 3598 ($0.15/Count) $35.98

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Nature's Way Vitamin C 1000 with Bioflavonoids, 10...

Nature's Way Vitamin C 1000 with Bioflavonoids, 10...

$ 811 ($0.15/Count) $8.11

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