Is Prime Peptides legit?
Prime Peptides review: independent lab test results, published COAs, prices and ordering terms.

Prime Peptides prices
| Peptide | Cheapest listing | Price | Per mg | Price rank | |
|---|---|---|---|---|---|
| Tirzepatide | GLP-2 (Tirzepatide) 60mg1 × 60 mg | $260.00 | $4.33 | #155 of 183 | Buy |
| Retatrutide | Retatrutide 60mg1 × 60 mg | $325.00 | $5.42 | #150 of 198 | Buy |
| Semaglutide | Semaglutide 20mg1 × 20 mg | $150.00 | $7.50 | #122 of 138 | Buy |
| GHK-Cu | GHK-Cu 100mg1 × 100 mg | $60.00 | $0.600 | #144 of 199 | Buy |
| BPC-157 | BPC-157 10mg1 × 10 mg | $55.00 | $5.50 | #149 of 183 | Buy |
| MOTS-c | MOTS-c 10mg1 × 10 mg | $60.00 | $6.00 | #175 of 188 | Buy |
| NAD+ | NAD+ 1000mg1 × 1000 mg | $135.00 | $0.135 | #150 of 189 | Buy |
| Tesamorelin | Tesamorelin 10mg1 × 10 mg | $80.00 | $8.00 | #155 of 184 | Buy |
| BPC-157 + TB-500 | Wolverine Blend 20mg1 × 20 mg | $125.00 | $6.25 | #147 of 169 | Buy |
| TB-500 | TB-500 (TB4) 10mg1 × 10 mg | $65.00 | $6.50 | #135 of 174 | Buy |
| Semax | Semax 10mg1 × 10 mg | $45.00 | $4.50 | #132 of 163 | Buy |
| Ipamorelin | Ipamorelin 10mg1 × 10 mg | $60.00 | $6.00 | #129 of 165 | Buy |
| Sermorelin | Sermorelin 10mg1 × 10 mg | $70.00 | $7.00 | #101 of 135 | Buy |
| GLOW | Glow Blend1 × 70 mg | $130.00 | $1.86 | #142 of 162 | Buy |
| CJC-1295 (no DAC) + Ipamorelin | CJC & Ipa1 × 10 mg | $80.00 | $8.00 | #134 of 149 | Buy |
| AOD-9604 | AOD 9604 5mg1 × 5 mg | $60.00 | $12.00 | #124 of 138 | Buy |
| KLOW | Klow Blend1 × 80 mg | $145.00 | $1.81 | #143 of 167 | Buy |
| Glutathione | Glutathione 1500mg1 × 1500 mg | $80.00 | $0.053 | #96 of 123 | Buy |
| Melanotan II | Melanotan II 10mg1 × 10 mg | $40.00 | $4.00 | #123 of 155 | Buy |
| Melanotan I | Melanotan I 10mg1 × 10 mg | $45.00 | $4.50 | #94 of 109 | Buy |
| Selank + Semax | Selank | Semax 20mg1 × 20 mg | $90.00 | $4.50 | #25 of 37 | Buy |
Price rank compares Prime Peptides's cheapest vial of each peptide with every other vendor's cheapest. Prices are read from Prime Peptides's website and may have changed.
Prime Peptides across independent sources
Every source we have for Prime Peptides, side by side. Tests of vials bought like a customer would weigh more than reports the vendor picked to publish. How the sources compare across all vendors. Had a Prime Peptides vial tested? Send us the report.
| Source | What it found | |
|---|---|---|
| FinnrickBuys vials anonymously and tests them | 19 tests, passed 37% (95% range 19–59%) | Finnrick page |
| Measured in bought vialsFinnrick and other tests of vials bought like a customer would | Dose 133% (middle half 120–168%, 17 reports); within ±10% of label 18% (95% range 6–41%); purity median 99.72% | |
| Vendor's own COAsReports the vendor chose to publish | Dose 110% (middle half 102–114%, 17 reports); within ±10% of label 47% (95% range 26–69%); purity median 99.79% | Below |
| PepIndexScores how much evidence a vendor publishes (transparency, not quality) | 76/100 at 96% coverage, #17 of 58; lab Pass Analytical (ISO 17025); checked 2026-09-28 | PepIndex page (data CC BY 4.0) |
| TitrateLabAggregates published COAs across labs | See their page | TitrateLab page |
| PeptideBaseChecks published COAs against the issuing lab | See their page | PeptideBase page |
Prime Peptides independent lab test results (Finnrick)
Finnrick buys vials anonymously and tests them for purity and dose. Prime Peptides scores 55% and ranks #426, with 7 of 19 tests passed; latest test 10 Jul 2025. Full record on Finnrick.
| Date | Peptide | Result |
|---|---|---|
| 10 Jul 2025 | GHK-Cu | Fail |
| 10 Jul 2025 | BPC-157 | Fail |
| 10 Jul 2025 | GHK-Cu | Fail |
| 3 Jul 2025 | CJC-1295 | Pass |
| 14 Jun 2025 | GHK-Cu | Fail |
| 13 Jun 2025 | Ipamorelin | Pass |
| 13 Jun 2025 | BPC-157 | Fail |
| 20 May 2025 | BPC-157 | Pass |
| 20 May 2025 | CJC-1295 (No DAC) | Fail |
| 20 May 2025 | GHK-Cu | Fail |
Prime Peptides COA and lab reports
Prime Peptides publishes 40 certificates of analysis, 17 with readable numbers, from Horizon Analytical, Freedom Diagnostics, Kovera Labs, Accumark Labs, Vanguard Laboratory, Bioviridian, Janoshik.
| Peptide | Lab | Date | Purity | Measured vs label |
|---|---|---|---|---|
| Retatrutide | Freedom Diagnostics | 2026-09-19 | 99.98% | 108% |
| Semaglutide | Freedom Diagnostics | 2026-09-18 | 99.7% | 96% |
| NAD+ | Horizon Analytical | 2026-09-09 | 99.98% | 101% |
| BPC-157 | Freedom Diagnostics | 2026-09-03 | 99.63% | 111% |
| Tirzepatide | Freedom Diagnostics | 2026-07-15 | 99.97% | 104% |
| BPC-157 + TB-500 | Freedom Diagnostics | 2026-06-27 | 99.41% | 125% |
| GHK-Cu | Horizon Analytical | 2026-06-03 | 99.48% | 100% |
| Tesamorelin | Vanguard Laboratory | 2026-03-25 | 99.05% | 98% |
| MOTS-c | Vanguard Laboratory | 2026-03-25 | 99.05% | 107% |
All Prime Peptides COA documents
- Retatrutide · Freedom Diagnostics · 2026-09-19 · 99.98% pure · 108% of label View COA
- Semaglutide · Freedom Diagnostics · 2026-09-18 · 99.7% pure · 96% of label View COA
- NAD+ · Horizon Analytical · 2026-09-09 · 99.98% pure · 101% of label View COA
- BPC-157 · Freedom Diagnostics · 2026-09-03 · 99.63% pure · 111% of label View COA
- Retatrutide · Kovera Labs · 2026-08-20 · 99.786% pure · 102% of label View COA
- Semaglutide · Freedom Diagnostics · 2026-08-05 · 99.83% pure · 117% of label View COA
- Semaglutide · Freedom Diagnostics · 2026-08-05 · 99.91% pure · 114% of label View COA
- Retatrutide · Freedom Diagnostics · 2026-07-16 · 99.97% pure · 121% of label View COA
- Tirzepatide · Freedom Diagnostics · 2026-07-15 · 99.97% pure · 104% of label View COA
- Tirzepatide · Freedom Diagnostics · 2026-07-08 · 99.92% pure · 114% of label View COA
- BPC-157 + TB-500 · Freedom Diagnostics · 2026-06-27 · 99.41% pure · 125% of label View COA
- GHK-Cu · Horizon Analytical · 2026-06-03 · 99.48% pure · 100% of label View COA
- Retatrutide · lab not named · 2026-04-01 View COA (image)
- Retatrutide · lab not named · 2026-04-01 View COA (image)
- CJC-1295 (no DAC) + Ipamorelin · lab not named · 2026-04-01 View COA (image)
- Ipamorelin · lab not named · 2026-04-01 View COA (image)
- KLOW · lab not named · 2026-04-01 View COA (image)
- Tirzepatide · lab not named · 2026-04-01 View COA (image)
- Glutathione · lab not named · 2026-04-01 View COA (image)
- Retatrutide · Accumark Labs · 2026-03-31 · 99.91% pure · 112% of label View COA
- Semaglutide · Accumark Labs · 2026-03-31 · 99.41% pure · 119% of label View COA
- Tesamorelin · Vanguard Laboratory · 2026-03-25 · 99.05% pure · 98% of label View COA
- MOTS-c · Vanguard Laboratory · 2026-03-25 · 99.05% pure · 107% of label View COA
- Semaglutide · Vanguard Laboratory · 2026-03-25 · 99.02% pure · 110% of label View COA
- NAD+ · Bioviridian · 2026-03-01 View COA (image)
- Selank + Semax · Janoshik View COA (image)
- Sermorelin · Janoshik View COA (image)
- Retatrutide · Janoshik View COA (image)
- Tesamorelin · Janoshik View COA (image)
- Retatrutide · Janoshik View COA (image)
- AOD-9604 · Janoshik View COA (image)
- TB-500 · Janoshik View COA (image)
- Retatrutide · Janoshik View COA (image)
- Retatrutide · Janoshik View COA (image)
- KLOW · Janoshik View COA (image)
- TB-500 · Janoshik View COA (image)
- MOTS-c · Janoshik View COA (image)
- BPC-157 · Janoshik View COA (image)
- CJC-1295 (no DAC) + Ipamorelin · Janoshik View COA (image)
- GLOW · Janoshik View COA (image)
Ordering
- Website
- primepeptides.co
- How to order
- Online checkout
- Shipping to the US
- $9.95, free over $150
- Payment
- credit/debit card, Klarna (pay over time), same-day bank payment (Link Money)
- Ships from
- US
FAQ
Is Prime Peptides legit?
Prime Peptides has a Finnrick score of 55% (#426), with 7 of 19 independent lab tests passed. No red flags were found in its published COAs.
Does Prime Peptides publish COAs or lab test results?
Yes: 40 published certificates of analysis, 17 with readable numbers, from Horizon Analytical, Freedom Diagnostics, Kovera Labs, Accumark Labs, Vanguard Laboratory, Bioviridian, Janoshik.
Has Prime Peptides been independently lab tested?
Finnrick has tested Prime Peptides 19 times, with 7 of 19 passed.
How do you order from Prime Peptides?
Online checkout. US shipping: $9.95, free over $150.