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Medical consulting and lab testing are recommended before use to monitor hormones and fertility markers
When you swallow a B12 pill, several steps have to work for it to be absorbed: stomach acid and the enzyme pepsin must release B12 from food or the supplement, the stomach must secrete a protein called intrinsic factor that binds to B12, and the B12-intrinsic factor complex must reach the ileum (the end of the small intestine) where it is finally absorbed
Gibson, G
Many researchers use both as part of their hair growth stack
diet and lifestyle are the other pieces that complete the picture
An imbalance in serum hormone levels causes disturbances in spermatogenesis and male infertility
