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The active metabolite of vitamin B12 is required for the methylation of homocysteine in the production of methionine, which is involved in a number of biochemical processes including the monoamine neurotransmitters metabolism
Arterioscler Thromb
10.1038/nn1191 Nat
and the sebum, porphyrins, pigmentation, and keratin levels were assessed by UV light
Clinical sessions typically occur monthly due to the more intensive nature of treatment
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