Core Peptides vs Peptide Sciences
Core Peptides has the higher PepFinder Score (6.7 vs 5.9). Both list 36 of the same peptides. Neither can pay to change the comparison.
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 Core PeptidesVisit store |  Peptide SciencesVisit store | |
|---|---|---|
| PepFinder Score | 6.7 | 5.9 |
| 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 | 9.8/10 68 peptides · 87 products | 9.4/10 40 peptides · 66 products |
| Pricing and value | 5.3/10 13% more expensive than average per mg | 5.0/10 18% more expensive than average per mg |
| Delivery | Not rated yet | 7.0/10 Domestic orders typically arrive within 3 to 5 business days. |
| Payment options | 5.0/10 Mastercard | 5.0/10 Cryptocurrency |
| Customer support | 5.0/10 Email | 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$6.03 | US$4.67 |
| 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)
| Core Peptides | Peptide Sciences | |
|---|---|---|
| Transparency Score | 7.9 | 6.0 |
| Testing transparency | – | 4.6 |
| Contact transparency | 10.0 | 10.0 |
| Documentation | 5.3 | 4.2 |
| Third-party testing stated | ✓ Yes | ✓ Yes |
| Publishes COAs | Not yet assessed | ✓ 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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