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Topical concentrations
Impaired activity of methionine synthase results in elevated blood concentrations of homocysteine, while impaired activity of L-methylmalonyl-CoA mutase results in increased concentrations of a metabolite of methylmalonyl-CoA called methylmalonic acid (MMA) in blood and urine
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In addition to boosting energy and mood, B12 injections can aid in weight management by supporting metabolism, and they promote healthy skin, hair, and nails through collagen synthesis
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