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Choosing the Right Vitamin B12 Supplement: What You Need to Know – WhyNotNatural

Don’t get me wrong, after reading Marcus’ NY Magazine story, ‘Life on Peptides” really does sound pretty great

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What FDA does still publish is the safety concern it identified, stated in these terms: compounded drugs containing semax, the heptapeptide, may pose risk for immunogenicity for certain routes of administration due to the potential for aggregation and peptide-related impurities, and the agency has no, or limited, safety-related information for proposed routes of administration, so it lacks sufficient information to know whether the drug would cause harm if administered to humans