CertaPeptides vs Pept Pro
Compare the 12 products listed by both vendors, their recorded COA status and shipping information. The evidence below distinguishes supplier documents from our own sample tests. For laboratory research use only. Not for human consumption.
Evidence and limitations
Evidence for CertaPeptides
A supplier COA is recorded as verified. This does not mean ChemVerify purchased or tested every product or batch.
No published ChemVerify sample is listed for this vendor in our current test records. This is not a quality verdict.
Evidence for Pept Pro
The supplier COA status is not marked as verified. This is not a failed laboratory result.
No published ChemVerify sample is listed for this vendor in our current test records. This is not a quality verdict.
The purity figures and COA flags in the table are separate from our own sample reports. A missing value means unavailable data, not zero purity. No overall winner is inferred.
Price per mg on shared products
For each shared product, the table shows the lowest stored price per mg from each vendor, with the recorded vendor discount applied. Pack sizes and forms can differ. These are not necessarily identical offers or live checkout prices; shipping is not included. Check the selected variant and discount conditions in the shop.