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On the other hand, it would seem that a lack of vitamin B12 can cause people to lose their appetite, resulting in a decrease in weight rather than an increase in weight

Even reduced sun exposure during the cold winter months can affect your skins ability to synthesize vitamin D internally, a deficiency that can exacerbate bone loss and deteriorating skin quality

Vitamin B12 (B12) is an essential cofactor for two enzymes involved in onecarbon metabolism: methylmalonyl CoA mutase (reduced function of this enzyme results in increased serum methylmalonyl acid (MMA) levels) and methionine synthetase (this enzyme catalyzes the remethylmation of homocysteine to methionine)

Format: Liquid solution / sterile or laboratory supply format, as applicable

I am over 70, male and in good health and take no meds other than an occasional NSID for muscle pains