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Blood that leaves the stomach and intestines passes through the liver, then the blood is broken down, balanced, and cleaned up, and the liver creates nutrients from the blood
Oral B12 supplements rely on the guts ability to absorb the vitamin a process that requires a protein called intrinsic factor, produced in the stomach
This product is not intended to diagnose, treat, cure, or preventa disease
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Microbiol 6 , 162168 (2008)