Head to head
PeptidePlugs vs Prime Peptides
PeptidePlugs scores 86.3 of 100 against Prime Peptides at 82.6. PeptidePlugs publishes more certificates: 103 against 9.
Same rubric, same date · 112 certificates between them · 16 compounds in common
| PeptidePlugs 86.3/100 Rank 8 of 58 | Prime Peptides 82.6/100 Rank 12 of 58 | |
|---|---|---|
| Score0–100 on the published rubric | 86.3 Extensively documented | 82.6 Well documented |
| Evidence coverageShare of scored fields sourced | 90% | 100% |
| Certificates on fileLot records this index read | 103 | 9 |
| Testing laboratory | Freedom Diagnostics Testing | Pass Analytical |
| ISO/IEC 17025 | — | Accredited |
| Label accuracyMean gap, labeled vs assayed | 10.6% | 7.0% |
| Basket price% of the peer median | 82% | 100% |
| Enforcement recordActions on record | None on record | 1 recorded |
| Discount code | — | — |
Price, compound by compound
Price per milligram at each vendor’s own listed vial size. PeptidePlugs is cheaper on 11, Prime Peptides on 0. The median column is the peer median across every vendor this index prices.
| Compound | PeptidePlugs | Prime Peptides | Median |
|---|---|---|---|
| AOD-9604 | $12 | $12 | $11 |
| BPC-157 | $3.00 | $5.50 | $5.50 |
| GHK-Cu | $0.40 | $0.60 | $0.60 |
| Glutathione | $0.03 | $0.05 | $0.05 |
| Ipamorelin | $4.00 | $6.00 | $6.00 |
| Melanotan I | $4.00 | $4.50 | $4.10 |
| Melanotan II | $4.00 | $4.00 | $4.00 |
| MOTS-c | $3.00 | $6.00 | $5.50 |
| NAD+ | $0.05 | $0.14 | $0.14 |
| Semax | $4.00 | $4.50 | $4.20 |
| Sermorelin | $5.50 | $7.00 | $7.40 |
| TB-500 | $5.00 | $6.50 | $6.50 |
| Tesamorelin | $7.00 | $8.00 | $8.00 |
Which to pick
Pick PeptidePlugs if
you want the stronger documentation record of the two; you want the deeper certificate history (103 lots); you want the cheaper basket overall; you buy mostly the compounds it prices lower.
Pick Prime Peptides if
an accredited testing laboratory matters to you.
Questions
- Is PeptidePlugs or Prime Peptides better?
- PeptidePlugs scores 86.3 of 100 against Prime Peptides at 82.6. PeptidePlugs publishes more certificates: 103 against 9. Both figures come from the same published rubric over sourced data points, and each links to the document behind it.
- Which of PeptidePlugs and Prime Peptides is cheaper?
- Across the 13 compounds both price, PeptidePlugs is cheaper on 11 and Prime Peptides on 0. Price per milligram is compared at each vendor's own listed vial size.
- Who tests PeptidePlugs and Prime Peptides peptides?
- PeptidePlugs: Freedom Diagnostics Testing. Prime Peptides: Pass Analytical. A vendor-published certificate is recorded as a claim; only an independently commissioned assay counts as corroboration.
- How many certificates do PeptidePlugs and Prime Peptides publish?
- PeptidePlugs has 103 lot-level certificates on file and Prime Peptides has 9. Both counts are of certificates this index located and read, not of certificates claimed.
Both records were last re-verified on 2026-08-29 and 2026-08-01. Every figure is computed from the same rubric over sourced data points; see the methodology or the full best peptide vendors ranking. Partner links are marked and cannot affect a score.