A legitimate COA must include HPLC purity above 98%, mass spectrometry confirming the correct molecular weight for the stated form, and ideally endotoxin testing, all issued by a named third-party lab whose batch number matches the product bottle
Current Pharmaceutical Design , 2020 Still, caution is warranted when sourcing peptides online, as impurities or incorrect formulations may introduce unknown risks
Some peptide protocols involve consistent dosing, while others are used for specific time periods depending on treatment goals
[2] Finasteride is not banned
Our API sourcing protocol includes certificate of analysis review, third-party analytical testing, and periodic supplier audits to ensure consistent purity, potency, and sterility standards across all product lines
BAC water for peptides remains a common choice for multi-dose peptide mixing procedures