Great Northern Peptides vs LJ Synergy
Great Northern Peptides has the higher PepFinder Score (7.6 vs 5.1). Both list 25 of the same peptides. Neither can pay to change the comparison.
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 Great Northern PeptidesVisit store |  LJ SynergyVisit store | |
|---|---|---|
| PepFinder Score | 7.6 | 5.1 |
| 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 | 9.0/10 37 peptides · 48 products | 8.6/10 27 peptides · 41 products |
| Pricing and value | 7.0/10 15% cheaper than average per mg | 4.0/10 41% more expensive than average per mg |
| Delivery | 10.0/10 ship within Canada? Orders are processed within 1 business day | Not rated yet |
| Payment options | Not rated yet None found | 5.0/10 VisaMastercardAmerican Express |
| Customer support | 5.0/10 None found yet | 5.0/10 Contact form |
| Website experience | Not rated yet | Not rated yet |
| Reliability | 7.0/10 | 5.5/10 |
| Packaging | Not rated yet | Not rated yet |
| Ships from | Canada | Canada |
| Ships to | Canada | Canada |
| Median price per mg | CA$5.50 | CA$7.00 |
| 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)
| Great Northern Peptides | LJ Synergy | |
|---|---|---|
| Transparency Score | 8.4 | 5.7 |
| Testing transparency | – | 2.5 |
| Contact transparency | 10.0 | 10.0 |
| Documentation | 5.2 | 5.3 |
| Third-party testing stated | ✓ Yes | Not yet assessed |
| 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 |
Full profiles: Great Northern Peptides · LJ Synergy · add more suppliers
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