The term vitamin is derived from the words vital and amine, because vitamins are required for life and were originally thought to be amines. True vitamin C deficiency is rare in the U.S. It only occasionally occurs in the elderly, alcoholics, cancer patients, and some people who are on severely limited diets that are low in fresh fruits and vegetables. Plasma — Blood consists of red and white cells, as well as other components, that float in a liquid.
Factors such as these highlight how little is understood about the ingestion and metabolism of dietary nickel and the factors that can affect it. Selenium supplements do NOT reduce the risk of bladder or prostate cancer. In addition, it helps your body fight infections by boosting your immune system.
Pernicious anemia , homocystinuria, and biotinidase deficiency are three examples of genetic diseases that are treated with megadoses of vitamins. Vitamin B12 is needed for growth, the digestive and nervous system, as well as the production of energy and healthy blood cells.
Several fruits have moderate amounts, as does beer. Xanthophylls will be covered under the phytochemicals section of this report. Water-soluble vitamins are easily absorbed by the body, which doesn’t store large amounts. Getting enough carbohydrates is very important during pregnancy and breastfeeding.
Studies have found that diets rich in fresh fruits and vegetables may decrease the risk for many cancers, including cancers of the lung, breast, colon, and prostate. Large amounts of folic acid may mask symptoms of vitamin B12 deficiency. Its cancer-fighting (antioxidant) properties, and its role in collagen production help keep your skin healthy.