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Key quality indicators to look for include third-party testing with certificates of analysis (COA) showing purity above 98%, proper lyophilization (the powder should be a clean, white cake, not a yellow or clumpy mass), appropriate packaging (amber vials to protect from light degradation), and clear labeling including peptide identity, mass, lot number, and expiration date

Vague theoretical claims, such as stating a peptide boosts energy production, do not constitute a mechanism

Tested for Purity Potency Consistency Independent lab analysis and internal checks hold every batch to the same documented CGMP standard

BJOG Int J Obstet Gynaecol 127(9):10909

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