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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
It has shown activity at very low doses (nanogram to microgram per kilogram) without demonstrable toxicity in animal studies [11]
We use this bacteriostatic water containing 0.9% benzyl alcohol for reconstitution of various laboratory reagents
Vitamin B-12 induced acnes
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