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Clinical trials have not consistently shown improvement in cognitive function among older adults with or without dementia when supplemented with vitamin B12 alone or in combination with other B vitamins, even when blood concentrations of homocysteine come down
Vitamin B12 can be converted to coenzyme B12 in tissues
But no substantial studies have shown a direct effect of vitamin B12 on human weight loss efforts
Administration can occur simultaneously or separately based on convenience
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