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Have a question? Ask ODS: ods. Vitamin C, also known as L-ascorbic acid, is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement.
Medically reviewed by Drugs. Last updated on Nov 19, Some injectable products may contain sulfites which may cause allergic-type, including anaphylactic-type, reactions in some patients.
Vitamins and minerals are essential nutrients that your body needs in small amounts to work properly. Most people should be able to get all the nutrients they need by eating a varied and balanced diet. If you choose to take vitamin and mineral supplements, be aware that taking too much or taking them for too long can cause harmful effects.
Vitamin C is a water-soluble vitamin and powerful antioxidant, and helps the body form and maintain connective tissue, including bones, blood vessels, and skin. Research also indicates that it may help protect against a variety of cancers by combatting free radicals and helping neutralize the effects of nitrites preservatives found in some packaged foods that are believed to be carcinogenic. Vitamin C is abundant in many fresh vegetables and fruits.
Have a question? Ask ODS: ods. Vitamin C, also known as ascorbic acidis a water-soluble nutrient found in some foods.
Vitamin C L-ascorbic acid or ascorbate is the generic descriptor for compounds having antiscorbutic activity. Most animals can synthesise vitamin C from D-glucose but humans and other primates, together with guinea pigs, fruit bats, some passeriform birds, some fish and some insects, are exceptions. Humans and primates lack a key enzyme, L-3 gulonolactone oxidase, necessary for the biosynthesis of vitamin C Nishikimi et al
Pauling argued that, due to a non-functional form of L-gulonolactone oxidasean enzyme required to make vitamin C that is functional in most mammals, humans have developed a number of adaptations to cope with the relative deficiency. These adaptations, he argued, ultimately shortened lifespan but could be reversed or mitigated by supplementing humans with the hypothetical amount of vitamin C that would have been produced in the body if the enzyme were working. Vitamin C megadoses are claimed by alternative medicine advocates including Matthias Rath and Patrick Holford to have preventative and curative effects on diseases such as cancer and AIDS  but the available scientific evidence does not support these claims. Vitamin C is necessary for production of collagen and other biomolecules, and for the prevention of scurvy.
I'm 79 years old and have been taking 3, mg of vitamin C a day for years. I'm now uneasy about taking this amount and plan to cut back to 1, mg daily. Is this the right vitamin c dose?
Getting enough of this vitamin is especially important for maintaining a healthy immune system. It also plays an important role in wound healing, keeping your bones strong and enhancing brain function 1. Interestingly, some claim that vitamin C supplements provide benefits beyond those that can be obtained from the vitamin C found in food. One of the most common reasons people take vitamin C supplements is the idea that they help prevent the common cold 2.