Flex Peptides vs Research Peptides
Flex Peptides has the higher PepFinder Score (6.5 vs 6.3). Both list 16 of the same peptides. Neither can pay to change the comparison.
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 Flex PeptidesVisit store |  Research PeptidesVisit store | |
|---|---|---|
| PepFinder Score | 6.5 | 6.3 |
| Trustpilot | No score found | No score found |
| Customer rating | No reviews yet | No reviews yet |
| Would order again | Needs 5+ reviews | Needs 5+ reviews |
| Product selection | 7.5/10 16 peptides · 21 products | 9.4/10 49 peptides · 74 products |
| Pricing and value | 7.0/10 16% cheaper than average per mg | 5.6/10 8% more expensive than average per mg |
| Delivery | Not rated yet | Not rated yet |
| Payment options | Not rated yet None found | Not rated yet None found |
| Customer support | 7.0/10 WhatsAppEmail | 5.0/10 Phone |
| Website experience | Not rated yet | Not rated yet |
| Reliability | 7.0/10 | 7.0/10 |
| Packaging | Not rated yet | Not rated yet |
| Ships from | United Kingdom | United Kingdom |
| Ships to | United Kingdom | United Kingdom |
| Median price per mg | £2.50 | £4.10 |
| 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)
| Flex Peptides | Research Peptides | |
|---|---|---|
| Transparency Score | 6.7 | 6.6 |
| Testing transparency | 4.6 | 4.6 |
| Contact transparency | 10.0 | 10.0 |
| Documentation | 5.2 | 4.9 |
| Third-party testing stated | ✓ Yes | ✓ Yes |
| 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 | 0.1 |
| Refund policy clear | Not yet assessed | Not yet assessed |
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