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The importance of vitamin B12 in adult health is huge
The B12, whether methylcobalamin or cyanocobalamin, goes into the muscle and into your system without depending on a digestive step that may not be working well for you

Notably, NNMT inhibition did not impact food intake in the DIO mice nor produce any overt signs of toxicity or adverse behavioral effects at the pharmacologically effective dose
Vitamin B12 is essential for growth, blood formation, cell reproduction, and tissue synthesis

IGF-1 LR3 is potent, but it's not magic