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[CrossRef] [PubMed] [Google Scholar] Baseline vitamin B12 and folate levels do not predict improvement in depression after a single infusion of ketamine
The solution
Every batch is independently verified for purity and potency before it ships because the formula only works if what's in the bottle matches what's on the label
The FDA's concerns cite peptide manufacturing risks: incompletely characterised active ingredient, peptide fragments, degradation products, and impurities that the immune system may recognise as foreign
Easy math
In people without pernicious anemia, about 0.5 g/day of B12 is reabsorbed by enterohepatic circulation in which B12-containing bile is secreted by the liver into the digestive tract where the B12 is then reabsorbed via intrinsic factor
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