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Your body needs vitamin C (ascorbic acid) to form blood vessels, cartilage, muscle, and collagen in bones. Vitamin C is vital to support and help heal your body’s tissues. Although rare in the U.S., vitamin C deficiency (the cause of scurvy) may occur in alcoholics,...

Vitamin B12 (cobalamin) supports the integrity of the nervous system and is necessary for the formation of red blood cells. B12 is only found naturally in foods of animal origin such as meats, fish, eggs, milk and milk products, and shellfish. Vitamin B12 deficiency...

Eight of the water-soluble vitamins are known as the vitamin B-complex group. They are thiamin (vitamin B1), riboflavin (vitamin B2), niacin (nicotinamide, nicotinic acid, vitamin B3), vitamin B6 (pyridoxine, pyridoxal, pyridoxamine), folate (folic acid, folacin),...

Water-soluble vitamins are not stored by the body. Since they are eliminated in urine, the body requires a fairly continuous daily supply of the B-complex group and vitamin C in the diet. Even so, deficiency of the B vitamins and vitamin C is rare in the United...

It seems sensible that any drug or dietary supplement should have a scientifically proven therapeutic benefit, and its benefits should outweigh any risks to health. Vitamins are essential to health, but most studies have shown limited or no health benefits from taking...

Potentially confusing different terms are used when referring to the amount of a particular nutrient (such as calcium or vitamin D) your body needs for good health and when measuring the amount of a particular nutrient in a serving of food or in a dietary supplement....