b12 injections and bowel movements Can Vitamin Cause Diarrhea or Make You Poop More? B12 Injection: Uses, How to
Description
You cannot make B12 yourself

Weight reduction In a Phase 2 obesity trial, the 12-mg dose reached ~24% mean weight loss at 48 weeks

And replenishing your protein stores (or more specifically, amino acids) after exercise is exactly how you can do that

The NIH recommends that all individuals 14 years and older consume 2.4 mcg of vitamin B12 per day [2]
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