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Description
Nicotinamide adenine dinucleotide is a naturally occurring chemical and coenzyme that slowly decreases over time
Annals of Vascular Surgery
B12 is naturally available only in animal proteins, so people who eat vegetarian or vegan diets may not consume enough B12
It is studied in experimental models for effects on body composition, lipolysis, and IGF-1 modulation without significant cortisol or prolactin elevation.
