── Certificates of analysis
Lot-level receipts.
Every batch is tested at an independent ISO 17025 lab. Your bottle's lot number unlocks the PDF in your account — we don't hide COAs behind a sales call.
── Look up your lot
Sign in to view certificates linked to your orders. Enter your lot code below — we'll take you to your account COA library (you may need to sign in first).
Don't have an account yet? Create one — your COAs appear after purchase.
── What we test
Not "purity" slogans — named assays.
Potency
Label claim vs. actual — vitamins, minerals, and botanical markers where applicable.
Heavy metals
Lead, arsenic, cadmium, mercury — screened to conservative limits.
Microbials
Total aerobic count, yeasts, moulds, specified pathogens.
Pesticides / solvents
Multi-residue screens for botanical ingredients where policy requires.
── Sample COA layout
BhLabs · ISO 17025 partner labLot BL-2026-0001
POTENCY ........................ PASS HEAVY METALS ................... PASS MICROBIALS ..................... PASS PESTICIDES (BOTANICAL) ......... PASS Signed: QA reviewer · Date: 2026-05-01
Illustrative only — your real COA is a multi-page PDF with chromatograms and bench data.