Vitamin B12 is important to each cell and system, including the blood and nerve system.
Low levels of vitamin B12 ( as well as foliate and vitamin B6 ) are linked with raised levels of homocysteine, an amino acid that, at raised levels, is connected with a raised likelihood of coronary disease and stroke and could also perform a part in age-implicated psychological decline and dementia.
Vitamin B12 is found naturally only in foods of animal origin ; lots of other foods are strengthened with it. The body can store big amounts. Claims, purported benefits : Vitamin B12 suppresses perplexity and memory loss in older people, protects the heart, peps you up, especially when given as injections. Treats canker sores. Bottom line : many people over age fifty don’t produce enough stomach acid to adequately absorb Vitamin B12.
A bad diet and heavy drinking can also make a contribution to a deficiency. Vegans ( who eat no animal products ) and folk with intestinal illnesses may be in peril. Harsh Vitamin B12 deficiency may cause bafflement, memory loss, shivering and weakness in the limbs, hallucinations, and listlessness.
A much rarer but more important kind of B12 deficiency that may occur at all ages is pernicious anemia, in which the stomach virtually stops manufacturing acid and a protein also required for assimilation ( natural factor ), so that just about no B12 from food is soaked up. At first this could cause anemia, but finally, when Vitamin B12 stores are exhausted, there might be irrevocable damage caused to the nerve system.
Blood tests can diagnose a Vitamin B12 deficiency ; high amounts of B12 can correct it. Older folks need 6 to fifteen micrograms of B12 daily ( the RDA is just 2.4 micrograms ), simply acquired from food or a multivitamin. Most multi promoted for seniors have twenty five or thirty micrograms. Unless you’ve been diagnosed as deficient you do not desire additional augmentation.
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