Older adults, vegans, individuals with gastrointestinal conditions, and those taking metformin or proton pump inhibitors often require higher doses or supplementation
Peter thinks this is a great into to the story of how he is learning the hard way His degree of sophistication was quite minimal Back then you were told to take X amount of drug
PMID 9437700
If you want to get nerdy, and apparently I do, the empirical formula for vitamin B12 is C61-64H84-90N14O13-14PCo, and he IUPAC name is -(5, 6- dimethyl benzimidazole) cobomidcyanide
Meng X, Ichim TE, Zhong J, Rogers A, Yin Z, Jackson J, Wang H, Ge W, Bogin V, Chan KW, Thbaud B, Riordan NH
They do not constitute clinical evidence of efficacy or safety in humans, and all reference to biological activity pertains strictly to preclinical research settings