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Scientific Reports 11:6244

Request third-party purity testing or switch to a new batch from a verified supplier like Real Peptides, where every peptide is synthesized with exact amino-acid sequencing and verified for consistency

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Clinical trials used doses as high as 1 mg per day without safety concerns, but 300 mcg is the most commonly referenced dose in peptide medicine literature and in the investigational protocols that have been published since the formal trials concluded