Essay --

B12 Deficiency What is Vitamin B12 DeficiencyVitamin B12 deficiency limits selenium methylation and excretion resulting in higher tissue selenium levels and ensuant toxicity. It occurs in people whose digestive systems do not adequately absorb the vitamin from the foods they eat. Vegetarians who eat eggs and milk products are the most at risk because, on average, they consume less than half the adult vitamin B12 Recommended Dietary Allowance (RDA) while strict vegans (who dont eat any animal products, including meat, eggs, or milk) are at an even up greater risk. Vitamin B12 is important since it works with the vitamin folate to make the bodys genetic material and help keep levels of the amino acid homocysteine in come apart which helps to decrease heart disease risk. It is also essential in the production of red blood cells which carry oxygen through the blood to the bodys tissues. Life Extension gives offers some of selenium supplements. Babies who are born of parents with low s elenium and vitamin B12 rich foods are at risk of anaemia.Causes of Vitamin B12 DeficiencySelenium is a...