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doi:10.1093/clinids/18.supplement_1.s62

At minimum, a usable COA for this product includes: Lot or batch number, unique to the vial you're receiving HPLC purity percentage, with the chromatogram itself (not just the number) available on request Mass spectrometry data confirming molecular weight against the theoretical value Appearance, solubility notes, and storage recommendations specific to that lot Date of analysis and, ideally, an expiration or re-test date A number on a webpage is a claim

These are the same areas that often resist the most diligent dietary changes and exercise efforts

Women who have underlying metabolic disease, insulin resistance, PCOS, or thyroid issues are at particular risk