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Currently, the ofcial position of associations and governmental agencies is categorical and unequivocal: in the case of a vegetarian diet, even if you eat eggs and dairyand, in fact, I would extend that to flexitarians eating a few servings of meat a weeksupplementation of vitamin B12 is required
These are associations rather than proof that altering NNMT activity reverses metabolic changes, but they motivate continued research into NNMT inhibitors in metabolic models
Belding ME, Klebanoff SJ, Ray CG
All uses of GHK-Cu described here are cosmetic in nature