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Reduced secretion of gastric acid and pepsin, from the use of H 2 blocker or proton-pump inhibitor (PPI) drugs, can reduce the absorption of protein-bound (dietary) vitamin B 12 , although not of supplemental vitamin B 12
Always factor this into your experimental design
The stacking guide covers combining treatments effectively
In some cases, peptides can be a valuable part of the plan
The best way to handle any side effects is to communicate openly with your medical provider
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