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Additive side effects remain theoretically possible, where both peptides contribute to similar adverse effects

The FDA specifically warned about peptide-related impurities and API characterization problems in other words, that whats in the vial might not be 100% pure BPC-157, and even if it is, the peptide could degrade or contain variants

The clinician also said there was a lack of randomised multi-centre clinical trials for peptides to provide information about their long-term effects

Retinoids and acids work primarily through exfoliation

Amanecia Health notes the FDA still has requirements if something can be compounded