American Peptides vs Stack Research
American Peptides has the higher PepFinder Score (6.8 vs 5.8). Both list 15 of the same peptides. Neither can pay to change the comparison.
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 American PeptidesVisit store | Stack ResearchVisit store | |
|---|---|---|
| PepFinder Score | 6.8 | 5.8 |
| Trustpilot | 3.1 Trustpilot(13) | No score found |
| Customer rating | No reviews yet | No reviews yet |
| Would order again | Needs 5+ reviews | Needs 5+ reviews |
| Product selection | 9.2/10 45 peptides · 93 products | 7.4/10 15 peptides · 17 products |
| Pricing and value | 4.1/10 39% more expensive than average per mg | 3.2/10 64% more expensive than average per mg |
| Delivery | 8.5/10 delivered in 2–3 business days | 10.0/10 Report visible damage, an incorrect or missing item, a seal or labeling problem, or a supported product-specific temperature concern in writing within 48 hours after the carrier’s delivery scan. |
| Payment options | 7.0/10 VisaMastercardAmerican ExpressCryptocurrency | 7.0/10 VisaMastercardAmerican ExpressCryptocurrencyCard |
| Customer support | 7.0/10 EmailPhone | 5.0/10 None found yet |
| Website experience | Not rated yet | Not rated yet |
| Reliability | 7.0/10 | 5.5/10 |
| Packaging | Not rated yet | Not rated yet |
| Ships from | United States | United States |
| Ships to | United States | Not stated |
| Median price per mg | US$7.00 | US$9.49 |
| 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)
| American Peptides | Stack Research | |
|---|---|---|
| Transparency Score | 7.0 | 5.2 |
| Testing transparency | 4.6 | 2.5 |
| Contact transparency | 10.0 | 10.0 |
| Documentation | 4.9 | 3.9 |
| Third-party testing stated | ✓ Yes | Not yet assessed |
| Publishes COAs | ✓ Yes | ✓ Yes |
| Batch-specific COAs | Not yet assessed | Not yet assessed |
| COAs reviewed by us | 0 | 0 |
| Verification | Not verified | Not verified |
| Years tracked | 0.1 | 0.0 |
| Refund policy clear | Not yet assessed | Not yet assessed |
Full profiles: American Peptides · Stack Research · add more suppliers
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