Core Research Peptides vs Irish Peptide Research
Irish Peptide Research has the higher PepFinder Score (7.9 vs 7.7). Both list 6 of the same peptides. Neither can pay to change the comparison.
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 Core Research PeptidesVisit store |  Irish Peptide ResearchVisit store | |
|---|---|---|
| PepFinder Score | 7.7 | 7.9 |
| 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 | 8.5/10 28 peptides · 33 products | 5.6/10 6 peptides · 16 products |
| Pricing and value | 5.5/10 10% more expensive than average per mg | Not rated yet |
| Delivery | 8.5/10 US: Standard 2 to 3 business days (5 across a weekend); UPS Expedited 2 to 3; Overnight next business day | 8.5/10 2-3 working days |
| Payment options | 10.0/10 CardVisaMastercardBank transferCryptocurrencyZelleVenmoCash App | 8.5/10 CardVisaMastercardApple PayGoogle PayPayPalKlarna |
| Customer support | 7.0/10 EmailContact form | 7.0/10 EmailTelegram |
| Website experience | Not rated yet | Not rated yet |
| Reliability | 7.5/10 | 10.0/10 |
| Packaging | Not rated yet | Not rated yet |
| Ships from | United States | Ireland |
| Ships to | Austria, Australia, Belgium and 33 moreAustria, Australia, Belgium, Bulgaria, Canada, Switzerland, Cyprus, Czechia, Germany, Denmark, Estonia, Spain, Finland, France, United Kingdom, Greece, Croatia, Hungary, Ireland, Iceland, Italy, Liechtenstein, Lithuania, Luxembourg, Latvia, Malta, Netherlands, Norway, New Zealand, Poland, Portugal, Romania, Sweden, Slovenia, Slovakia, United States | Ireland |
| Median price per mg | US$7.40 | — |
| 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 Research Peptides | Irish Peptide Research | |
|---|---|---|
| Transparency Score | 7.7 | 7.0 |
| Testing transparency | 6.6 | 6.0 |
| Contact transparency | 10.0 | 10.0 |
| Documentation | 5.0 | 2.7 |
| Third-party testing stated | ✓ Yes | Not yet assessed |
| Publishes COAs | ✓ Yes | Not yet assessed |
| Batch-specific COAs | Not yet assessed | Not yet assessed |
| COAs reviewed by us | 0 | 1 |
| Verification | Not verified | Verified |
| Years tracked | 0.1 | 0.1 |
| Refund policy clear | Not yet assessed | Not yet assessed |
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Supplier and market information only; not medical advice.