BPC-157, TB-500 and combination products are encountered in peptide research catalogues. A blend requires additional documentation because the record must describe more than one component and make clear what was tested.
Questions to ask about a blend COA
- Does the document identify each declared component?
- Does the lot number match the finished vial?
- Was the finished blend analysed, or are separate ingredient certificates being shown?
- Are the analytical methods and acceptance criteria stated?
Why component identity matters
A purity value without a clearly identified sample can be misleading. For a multi-component material, the documentation should distinguish evidence for identity from evidence for chromatographic purity and should state whether results apply to the ingredients or the final mixture.
Recordkeeping for reproducibility
Archive the product label, COA, receipt date and storage history under one internal sample identifier. This helps researchers trace any variation to a specific material and avoids mixing records from different lots.
Browse the research catalogue or read our guide to NAD+ and MOTS-c traceability.
Scope
This page concerns analytical documentation for laboratory research materials. It does not contain dosing, administration or therapeutic instructions.