Vitamin B 12 is one of the most important component which helps in the day to day function of the body. So, from that statement, you can grasp the importance of this vitamin and its importance to good health. Those tissues which divide most rapidly depend most heavily on adequate levels of vitamin B12: the blood cells, immune dells, skin cells, and the cells that line your intestine. Although we don't understand exactly how it works, vitamin B12 also plays a crucial role in the production of the coverings of nerves (called the myelin sheath, because the protein material itself is called myelin), chronic deficiency of it will lead to severe and irreversible nerve damage.
Food Sources for Vitamin B12
Vitamin B12 naturally occurs only in foods from animal sources, with the highest levels found in organ meats like liver, kidney and heart. Apart from them bivalve mollusks like clams and oysters also have them in a high level.
Lesser but still substantial amounts are found in non-fat dry milk, seafood sources like crab, salmon, sardines etc. and egg yolks. Beef, chicken, pork, have this Vitamin in moderate amount. Other seafood sources like tuna, haddock, swordfish, lobster, scallops, flounder, and Camembert and Limburger cheeses have also got this vitamin in a moderate level.
Other sources for low amount of this vitamin include dairy products like fluid milk, cheddar, and cottage cheeses.
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