About VialCheck

The research peptide market is crowded and hard to compare. Product names vary from store to store, compounds are sold under code names, and the evidence behind a vendor's quality claims is usually a lab report image buried on a product page — if it exists at all.

VialCheck puts that evidence in one place: every vendor's published products, the batches behind them, the lab that tested each batch, the purity it reported, and how prices compare across vendors for the same compound and vial size.

• Verify records. Products, batches and COAs are reviewed by a person before they appear on the site. Nothing is published automatically.
• Score vendors on evidence. Each vendor's Trust Score is calculated only from data on file — lab-reported purity and how many products have a COA.
• Compare prices like for like. Our price comparison lines up single vials of the same compound and size across vendors.
• Let anyone check a batch. Enter the lot number from a vial on Batch lookup to see the lab record behind it.

VialCheck does not manufacture, sell, ship or broker any compound. Vendors cannot buy a higher Trust Score, a better ranking, or the removal of unfavourable records, and they cannot edit their own data without our review.

Some links from VialCheck to vendor stores are referral links, and we may earn a commission when a visitor makes a purchase. Referral relationships never change how a vendor is scored, ranked or described. See our Disclaimer for details.

VialCheck is an information resource about vendors and their published testing. It is not medical advice, and nothing on the site is a recommendation to use any compound. Many of the compounds listed are not approved for human use.

Questions, corrections or press enquiries: hello@vialcheck.io. Vendors who want to be listed can apply here.