What is a Vitamin B-12 Deficiency
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The enzyme catalyzes the methylation of nicotinamide (a form of vitamin B3) using S-adenosyl-L-methionine (SAM) as a cofactor, producing 1-methylnicotinamide (1-MNA) as a metabolic byproduct
Pathak K, Zhao Y, Calton EK, James AP, Newsholme P, Sherriff J, Soares MJ
Any temperature excursion above 8C during shipping or storage can denature the molecular structure irreversiblyappearance remains unchanged, but biological activity drops to near-zero
Palpitations and anaphylaxis occur in a tiny percentage of patients