peptide-works.com vs Research Sciences
peptide-works.com has the higher PepFinder Score (8.5 vs 6.2). Both list 7 of the same peptides. Neither can pay to change the comparison.
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 peptide-works.comVisit store |  Research SciencesVisit store | |
|---|---|---|
| PepFinder Score | 8.5 | 6.2 |
| Trustpilot | 2.8 Trustpilot(8) | No score found |
| Customer rating | No reviews yet | No reviews yet |
| Would order again | Needs 5+ reviews | Needs 5+ reviews |
| Product selection | 9.9/10 56 peptides · 91 products | 5.9/10 7 peptides · 7 products |
| Pricing and value | 7.7/10 26% cheaper than average per mg | 6.0/10 In line with the average price per mg |
| Delivery | 10.0/10 24–48 hours | Not rated yet |
| Payment options | 8.5/10 VisaMastercardBank transferCryptocurrencyZelle | 7.0/10 Bank transferCard |
| Customer support | 7.0/10 EmailContact form | 5.0/10 None found yet |
| Website experience | Not rated yet | Not rated yet |
| Reliability | 7.5/10 | 7.0/10 |
| Packaging | Not rated yet | Not rated yet |
| Ships from | United Kingdom | United Kingdom |
| Ships to | Austria, Belgium, Bulgaria and 33 moreAustria, Belgium, Bulgaria, Switzerland, Cyprus, Czechia, Germany, Denmark, Estonia, Spain, Finland, France, Greece, Croatia, Hungary, Ireland, Iceland, Italy, Liechtenstein, Lithuania, Luxembourg, Latvia, Malta, Netherlands, Norway, Poland, Portugal, Romania, Sweden, Slovenia, Slovakia, United States, United Kingdom, Canada, Australia, New Zealand | Not stated |
| Median price per mg | US$7.50 | £3.80 |
| 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)
| peptide-works.com | Research Sciences | |
|---|---|---|
| Transparency Score | 7.9 | 6.0 |
| Testing transparency | – | 6.6 |
| Contact transparency | 10.0 | 10.0 |
| Documentation | 5.3 | 2.8 |
| 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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