Prime Lab Peptides vs Zenith Biopeptides
Zenith Biopeptides has the higher PepFinder Score (8.4 vs 5.5). Both list 26 of the same peptides. Neither can pay to change the comparison.
We may earn a commission. How this works
 Prime Lab PeptidesVisit store |  Zenith BiopeptidesVisit store | |
|---|---|---|
| PepFinder Score | 5.5 | 8.4 |
| Trustpilot | No score found | 4.5 Trustpilot(37) |
| Customer rating | No reviews yet | No reviews yet |
| Would order again | Needs 5+ reviews | Needs 5+ reviews |
| Product selection | 8.5/10 26 peptides · 53 products | 8.5/10 40 peptides · 55 products |
| Pricing and value | 5.3/10 14% more expensive than average per mg | 6.8/10 12% cheaper than average per mg |
| Delivery | Not rated yet | 8.5/10 Delivery times depend on the destination; most U.S. orders arrive in 3 business days with standard services. |
| Payment options | Not rated yet None found | 8.5/10 CardVisaMastercardAmerican ExpressBank transferZelleCash App |
| Customer support | 5.0/10 None found yet | 8.5/10 EmailPhoneContact form |
| Website experience | Not rated yet | Not rated yet |
| Reliability | 5.5/10 | 9.5/10 |
| Packaging | Not rated yet | Not rated yet |
| Ships from | United States | United States |
| Ships to | Not stated | United States, Canada |
| Median price per mg | US$5.90 | US$5.00 |
| Reported delivered | No order reports | No order reports |
| Median delivery (reported) | Needs 3+ reports | Needs 3+ reports |
| Support replied (reported) | No support reports | No support reports |
The shaded cell is the higher rating in that row. Each rating's source (automated data, customer reviews or editorial) is shown on the supplier's profile.
Testing & transparency (optional detail)
| Prime Lab Peptides | Zenith Biopeptides | |
|---|---|---|
| Transparency Score | 5.3 | 8.2 |
| Testing transparency | 4.6 | 7.1 |
| Contact transparency | 10.0 | 10.0 |
| Documentation | 2.4 | 6.4 |
| Third-party testing stated | ✓ Yes | ✓ Yes |
| Publishes COAs | ✓ Yes | ✓ Yes |
| Batch-specific COAs | Not yet assessed | Not yet assessed |
| COAs reviewed by us | 0 | 1 |
| Verification | Not verified | Not verified |
| Years tracked | 0.1 | 0.1 |
| Refund policy clear | Not yet assessed | Not yet assessed |
Full profiles: Prime Lab Peptides · Zenith Biopeptides · add more suppliers
Supplier and market information only; not medical advice.