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

PurePeptides prices
| Peptide | Cheapest listing | Price | Per mg | Price rank | |
|---|---|---|---|---|---|
| Tirzepatide | GLP-TZ 30MG1 × 30 mg | $115.00 | $3.83 | #144 of 183 | Buy |
| Retatrutide | GLP-RT 14MG1 × 14 mg | $75.00 | $5.36 | #147 of 198 | Buy |
| GHK-Cu | GHK-Cu 100MG1 × 100 mg | $65.00 | $0.650 | #154 of 199 | Buy |
| BPC-157 | BPC-157 10MG1 × 10 mg | $50.00 | $5.00 | #138 of 183 | Buy |
| MOTS-c | MOTS-c 40MG1 × 40 mg | $125.00 | $3.13 | #130 of 188 | Buy |
| NAD+ | NAD+ 500MG1 × 500 mg | $90.00 | $0.180 | #170 of 189 | Buy |
| Tesamorelin | Tesamorelin 10MG1 × 10 mg | $80.00 | $8.00 | #155 of 184 | Buy |
| TB-500 | Thymosin Beta 4 10MG1 × 10 mg | $75.00 | $7.50 | #147 of 174 | Buy |
| Ipamorelin | Ipamorelin 5MG1 × 5 mg | $45.00 | $9.00 | #157 of 165 | Buy |
| SS-31 | SS-31 50MG1 × 50 mg · out of stock | $150.00 | $3.00 | #92 of 135 | Buy |
| GLOW | GLOW 70MG1 × 70 mg | $85.00 | $1.21 | #103 of 162 | Buy |
| CJC-1295 (no DAC) + Ipamorelin | Ipamorelin 5mg / CJC 1295 no DAC 5mg Blend1 × 10 mg | $75.00 | $7.50 | #129 of 149 | Buy |
| Thymosin Alpha-1 | Thymosin Alpha 1 20MG1 × 20 mg | $135.00 | $6.75 | #89 of 138 | Buy |
| KLOW | KLOW 80MG1 × 80 mg · out of stock | $175.00 | $2.19 | #156 of 167 | Buy |
| Melanotan II | Melanontan II 10mg1 × 10 mg | $50.00 | $5.00 | #142 of 155 | Buy |
| PT-141 | PT-141 10MG1 × 10 mg | $45.00 | $4.50 | #120 of 158 | Buy |
Price rank compares PurePeptides's cheapest vial of each peptide with every other vendor's cheapest. Prices are read from PurePeptides's website and may have changed.
PurePeptides across independent sources
Every source we have for PurePeptides, 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 PurePeptides vial tested? Send us the report.
| Source | What it found | |
|---|---|---|
| FinnrickBuys vials anonymously and tests them | 23 tests, passed 56% (95% range 37–74%) | Finnrick page |
| Measured in bought vialsFinnrick and other tests of vials bought like a customer would | Dose 110% (middle half 83–117%, 19 reports); within ±10% of label 26% (95% range 12–49%); purity median 99.81% | |
| Vendor's own COAsReports the vendor chose to publish | 25 reports, no readable numbers | Below |
| TitrateLabAggregates published COAs across labs | See their page | TitrateLab page |
PurePeptides independent lab test results (Finnrick)
Finnrick buys vials anonymously and tests them for purity and dose. PurePeptides scores 64% and ranks #350, with 13 of 23 tests passed; latest test 23 Sept 2026. Full record on Finnrick.
| Date | Peptide | Result |
|---|---|---|
| 23 Sep 2026 | Retatrutide | Fail |
| 21 Sep 2026 | Tesamorelin | Fail |
| 12 Aug 2026 | Tesamorelin | Fail |
| 13 Jul 2026 | Tesamorelin | Fail |
| 13 Jul 2026 | Retatrutide | Fail |
| 19 Mar 2026 | Retatrutide | Fail |
| 2 Mar 2026 | Tesamorelin | Pass |
| 19 Jan 2026 | Retatrutide | Pass |
| 15 Jan 2026 | Tesamorelin | Pass |
| 4 Sep 2025 | Tirzepatide | Pass |
PurePeptides COA and lab reports
PurePeptides publishes 25 certificates of analysis, 0 with readable numbers, from MZ Biolabs.
All PurePeptides COA documents
- Retatrutide · MZ Biolabs · 2026-05-22 View COA (image)
- Retatrutide · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
- NAD+ · lab not named View COA (image)
- Thymosin Alpha-1 · lab not named View COA (image)
- SS-31 · lab not named View COA (image)
- MOTS-c · lab not named View COA (image)
- SLU-PP-332 · lab not named View COA (image)
- CJC-1295 (no DAC) + Ipamorelin · lab not named View COA (image)
- KLOW · lab not named View COA (image)
- GLOW · lab not named View COA (image)
- Tesamorelin · lab not named View COA (image)
- Melanotan II · lab not named View COA (image)
- PT-141 · lab not named View COA (image)
- MOTS-c · lab not named View COA (image)
- SS-31 · lab not named View COA (image)
- SLU-PP-332 · lab not named View COA (image)
- TB-500 · lab not named View COA (image)
- BPC-157 · lab not named View COA (image)
- Thymosin Alpha-1 · lab not named View COA (image)
- Retatrutide · lab not named View COA (image)
- Ipamorelin · lab not named View COA (image)
- BPC-157 · lab not named View COA (image)
- GHK-Cu · lab not named View COA (image)
- Tirzepatide · lab not named View COA (image)
Ordering
- Website
- purepeptides.bio
- How to order
- Online checkout
- Shipping to the US
- $10.00
- Payment
- checkout gateways: bytenft, paynote (ACH), linkmoney (pay by bank), blockonomics (BTC), mycryptocheckout (crypto), one custom gateway
- Ships from
- US
FAQ
Is PurePeptides legit?
PurePeptides has a Finnrick score of 64% (#350), with 13 of 23 independent lab tests passed. No red flags were found in its published COAs.
Does PurePeptides publish COAs or lab test results?
Yes: 25 published certificates of analysis, 0 with readable numbers, from MZ Biolabs.
Has PurePeptides been independently lab tested?
Finnrick has tested PurePeptides 23 times, with 13 of 23 passed.
How do you order from PurePeptides?
Online checkout. US shipping: $10.00.