The checklist
A reputable supplier should be able to show all of the following:
- A COA for each lot, available before purchase.
- Testing by an independent third-party laboratory.
- HPLC purity with the chromatogram included.
- Mass spectrometry identity confirmation.
- Lot numbers on vials that match the COA.
- Realistic purity figures. Claims like 99.999% are a warning sign.
- Clear research-use-only labeling and responsive support.
Questions worth asking
Who performed the testing? When was the lot tested? Can you see the raw chromatogram and mass spectrum? A supplier confident in its testing will answer these directly.
Avoid these shortcuts
Generic product-level COAs, reports with no lab name or date, and unverifiable purity claims all make results harder to reproduce.
The GoVida Labs testing standard
What the standard should be, and how we meet it
The standard every supplier should meet
- A COA for every lot, not one generic report per product.
- Purity measured by HPLC, with the chromatogram shown.
- Identity confirmed by mass spectrometry.
- A lot number on the vial that matches the COA exactly.
- Realistic, honestly reported results.
What GoVida Labs does
- Every lot is tested by an independent, third-party laboratory in the USA.
- Each COA includes the HPLC purity chromatogram and a mass spectrometry identity check.
- Lot-specific COAs are published on our site so you can review them before you buy.
- The LOT on every vial label matches its COA.
- Reported purity and identity results are shown as tested, never rounded up.
- Questions about any report are answered by our team.
For laboratory research use only. Not for human or veterinary use. This content is educational and is not medical advice.