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Metformin reduces B12 absorption in the small intestine
Administering these vitamins via injection bypasses gastrointestinal absorption barriersuseful for patients with pernicious anemia, post-gastrectomy states, chronic metformin or acid-suppressing therapy that impairs B12 absorption, or conditions that reduce intestinal uptake
For some patients a single peptide is the better starting point
The good news is that you can restore the Glutathione levels in the body to delay the aging process
Smodi kerl, J
Prez de la Lastra et al., 2021
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