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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
Typically, B12 injections begin working immediately and the body will begin making new red blood cells within 72 hours
Peptides Lab UK accepts no liability for any misuse of research compounds
Most side effects are mild and transient
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