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Vitamin C supplements among other dietary supplements at a US drug store. Vitamin C has a definitive role in treating scurvy, which is a disease caused by vitamin C deficiency. Beyond that, a role for vitamin C as prevention or treatment for various diseases is disputed, with reviews often reporting conflicting results.
Vitamin B 12 ; Vitamin C (ascorbic acid and ascorbates) Vitamin D (calciferols) Vitamin E (tocopherols and tocotrienols) Vitamin K (phylloquinones, menaquinones, and menadiones) Some sources include a fourteenth, choline. [6] Vitamins have diverse biochemical functions. Vitamin A acts as a regulator of cell and tissue growth and differentiation.
Vitamin C, an antioxidant, is required to make the building blocks for collagen, carnitine, and catecholamines, and assists the intestines in the absorption of iron from foods. [2] [4] [5] Diagnosis is typically based on outward appearance, X-rays, and improvement after treatment. [2] Treatment is with vitamin C supplements taken by mouth. [1]
The l isomer is the one most often encountered: it occurs naturally in many foods, and is one form ("vitamer") of vitamin C, an essential nutrient for humans and many animals. Deficiency of vitamin C causes scurvy, formerly a major disease of sailors in long sea voyages.
Ascorbyl palmitate is an ester formed from ascorbic acid and palmitic acid creating a fat-soluble form of vitamin C. In addition to its use as a source of vitamin C, it is also used as an antioxidant food additive (E number E304). It is approved for use as a food additive in the EU, [1] the U.S., [2] Canada, [3] Australia, and New Zealand. [4]
Myth #3: Vitamin C can prevent a cold. Pharmacy and grocery store shelves are packed with vitamin C supplements that heavily imply or even clearly state that they’ll help prevent a cold. But the ...