Why a COA Alone Doesn’t Guarantee Peptide Quality: What Every Buyer Should Know
When researching peptide suppliers, one of the first things customers often look for is a Certificate of Analysis (COA). This makes sense. A COA can provide valuable information about a product, including purity, batch information, and testing results. In today’s peptide market, suppliers frequently advertise COAs as proof of quality and legitimacy. However, after spending
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