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

Peptidology prices
| Peptide | Cheapest listing | Price | Per mg | Price rank | |
|---|---|---|---|---|---|
| Tirzepatide | PGL-GI1 60 mg (65.29mg | Batch 1726)1 × 60 mg | $199.99 | $3.33 | #131 of 183 | Buy |
| Retatrutide | PGL-GIC1 60 mg (71.35mg | Batch 1773)1 × 60 mg | $279.00 | $4.65 | #130 of 198 | Buy |
| GHK-Cu | GHK-Cu Copper Peptide 140 mg (145.86mg | Batch 1758)1 × 140 mg | $79.00 | $0.564 | #134 of 199 | Buy |
| BPC-157 | BPC-157 20 mg (20mg | Batch 1696 | 99.30% Purity)1 × 20 mg | $64.00 | $3.20 | #101 of 183 | Buy |
| MOTS-c | MOTS-c 40 mg (50.02mg | Batch 1779)1 × 40 mg | $159.99 | $4.00 | #154 of 188 | Buy |
| NAD+ | NAD+ 1000 mg (1066mg | Batch 1752)1 × 1000 mg | $85.00 | $0.085 | #113 of 189 | Buy |
| Tesamorelin | Tesamorelin 10 mg (11.99mg | Batch 1777)1 × 10 mg | $80.00 | $8.00 | #155 of 184 | Buy |
| BPC-157 + TB-500 | BPC-157, TB-500 (Blend) 40 mg (45.63mg | Batch 1712 | 99.8% Purity)1 × 40 mg | $115.96 | $2.90 | #83 of 169 | Buy |
| TB-500 | TB-500 10 mg (10.8mg | Batch 1775)1 × 10 mg | $55.00 | $5.50 | #118 of 174 | Buy |
| Semax | Semax 10 mg (10mg)1 × 10 mg · out of stock | $38.00 | $3.80 | #120 of 163 | Buy |
| Selank | Selank 10 mg (10mg)1 × 10 mg | $40.00 | $4.00 | #114 of 168 | Buy |
| 5-Amino-1MQ | 5-Amino-1MQ 59 mg (59mg)1 × 59 mg | $89.00 | $1.51 | #85 of 130 | Buy |
| Epithalon | Epithalon 60 mg (60mg)1 × 60 mg | $129.00 | $2.15 | #92 of 149 | Buy |
| Ipamorelin | Ipamorelin 10 mg (10mg)1 × 10 mg | $50.00 | $5.00 | #106 of 165 | Buy |
| DSIP | DSIP 9 mg (8.9mg | Batch 1737)1 × 9 mg | $50.00 | $5.56 | #99 of 151 | Buy |
| KPV | KPV 10 mg (10mg)1 × 10 mg | $42.99 | $4.30 | #105 of 163 | Buy |
| Sermorelin | Sermorelin 10 mg (9.89mg)1 × 10 mg | $79.95 | $8.00 | #111 of 135 | Buy |
| CJC-1295 (no DAC) | CJC-1295 No DAC 5 mg (4.98mg | Batch 1709 | 99.8% Purity)1 × 5 mg | $44.99 | $9.00 | #119 of 135 | Buy |
| GLOW | GLOW Blend 70 mg (10mg, 10mg, 50mg (70mg total))1 × 70 mg | $109.00 | $1.56 | #122 of 162 | Buy |
| CJC-1295 (no DAC) + Ipamorelin | CJC No DAC IPA Blend 20 mg (10mg each (20mg total))1 × 20 mg | $104.00 | $5.20 | #94 of 149 | Buy |
| AOD-9604 | AOD-9604 10 mg (10mg)1 × 10 mg | $70.00 | $7.00 | #78 of 138 | Buy |
| Thymosin Alpha-1 | Thymosin Alpha-1 10 mg (11.68mg | Batch 1750)1 × 10 mg | $69.00 | $6.90 | #91 of 138 | Buy |
| KLOW | KLOW Blend 80 mg (12mg/60mg/11mg/11mg | Batch 1774)1 × 80 mg | $119.99 | $1.50 | #128 of 167 | Buy |
| Glutathione | L-Glutathione 1500 mg (1500mg)1 × 1500 mg | $60.00 | $0.040 | #79 of 123 | Buy |
| Melanotan II | MT2 10 mg (11mg)1 × 10 mg | $34.39 | $3.44 | #101 of 155 | Buy |
| Kisspeptin-10 | Kisspeptin 10 mg (10mg | Batch 1697 | 99.35% Purity)1 × 10 mg | $59.00 | $5.90 | #88 of 125 | Buy |
| IGF-1 LR3 | IGF-1 LR3 1 mg (0.83mg | Batch 1766)1 × 1 mg | $86.00 | $86.00 | #110 of 127 | Buy |
| CJC-1295 with DAC | CJC-1295 DAC 5 mg (5mg)1 × 5 mg | $61.99 | $12.40 | #88 of 103 | Buy |
| VIP | VIP 10 mg (11.27mg I Batch 1698 I 99.11% Purity)1 × 10 mg | $71.99 | $7.20 | #71 of 91 | Buy |
| Pinealon | Pinealon 10 mg (10.37mg)1 × 10 mg | $40.00 | $4.00 | #63 of 80 | Buy |
| ARA-290 | ARA-290 10 mg (11mg | Batch 1679 | 99.70% Purity)1 × 10 mg | $54.99 | $5.50 | #89 of 105 | Buy |
| GHRP-2 | GHRP-2 10 mg (10mg)1 × 10 mg | $34.40 | $3.44 | #44 of 73 | Buy |
| Snap-8 | SNAP-8 10 mg (10mg)1 × 10 mg | $34.39 | $3.44 | #83 of 108 | Buy |
| Melanotan I | MT1 10 mg (12.16mg | Batch 1757)1 × 10 mg | $42.00 | $4.20 | #90 of 109 | Buy |
| Adamax | Adamax 5 mg (7.93mg | Batch 1778)1 × 5 mg | $89.00 | $17.80 | #61 of 61 | Buy |
| LL-37 | LL-37 5 mg (5mg)1 × 5 mg | $36.00 | $7.20 | #58 of 102 | Buy |
| Ipamorelin + Tesamorelin | Tesa + Ipa 2X Blend 13 mg (10mg/3mg)1 × 13 mg | $89.00 | $6.85 | #46 of 66 | Buy |
| AHK-Cu | AHK-Cu 100 mg (100mg)1 × 100 mg | $119.99 | $1.20 | #53 of 54 | Buy |
| FOXO4-DRI | FOXO4-DRI 10 mg (10mg)1 × 10 mg | $124.00 | $12.40 | #45 of 71 | Buy |
| Survodutide | Survodutide (PGL-GC1) 10 mg (10mg)1 × 10 mg | $79.99 | $8.00 | #46 of 64 | Buy |
Price rank compares Peptidology's cheapest vial of each peptide with every other vendor's cheapest. Prices are read from Peptidology's website and may have changed.
Peptidology across independent sources
Every source we have for Peptidology, 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 Peptidology vial tested? Send us the report.
Published vs bought: on GHK-Cu, Retatrutide, Peptidology's own reports show a median of 104% of the labelled dose (0% of 23 reports under 90%); vials bought anonymously measured 96% (12% of 8 under 90%).
| Source | What it found | |
|---|---|---|
| FinnrickBuys vials anonymously and tests them | 18 tests, passed 78% (95% range 55–91%) | Finnrick page |
| Measured in bought vialsFinnrick and other tests of vials bought like a customer would | Dose 97% (middle half 95–103%, 18 reports); within ±10% of label 83% (95% range 61–94%); purity median 99.77% | |
| Vendor's own COAsReports the vendor chose to publish | Dose 106% (middle half 100–112%, 38 reports); within ±10% of label 71% (95% range 55–83%); purity median 99.8% | Below |
| TitrateLabAggregates published COAs across labs | See their page | TitrateLab page |
| PeptideBaseChecks published COAs against the issuing lab | See their page | PeptideBase page |
| Peptide CriticBuys some products to test, and investigates vendors | See their page | Peptide Critic page |
| PeptideCheckedReviews vendors' lab-verification evidence | See their page | PeptideChecked page |
Peptidology independent lab test results (Finnrick)
Finnrick buys vials anonymously and tests them for purity and dose. Peptidology scores 71% and ranks #281, with 14 of 18 tests passed; latest test 28 Aug 2026. Full record on Finnrick.
| Date | Peptide | Result |
|---|---|---|
| 28 Aug 2026 | Retatrutide | Pass |
| 1 Jun 2026 | Retatrutide | Pass |
| 11 Aug 2025 | GHK-Cu | Pass |
| 11 Aug 2025 | PT-141 | Pass |
| 11 Aug 2025 | GHK-Cu | Pass |
| 11 Aug 2025 | PT-141 | Pass |
| 10 Aug 2025 | PT-141 | Pass |
| 6 Aug 2025 | Ipamorelin | Fail |
| 6 Aug 2025 | BPC-157 | Fail |
| 10 Jul 2025 | GHK-Cu | Pass |
Peptidology COA and lab reports
Peptidology publishes 39 certificates of analysis, 39 with readable numbers, from Vanguard Laboratory.
| Peptide | Lab | Date | Purity | Measured vs label |
|---|---|---|---|---|
| Retatrutide | Vanguard Laboratory | 2026-10-02 | 99.8% | 118% |
| Tesamorelin | Vanguard Laboratory | 2026-10-01 | 99.55% | 108% |
| MOTS-c | Vanguard Laboratory | 2026-09-25 | 99.8% | 125% |
| GLOW | Vanguard Laboratory | 2026-09-17 | 99.8% | – |
| GHK-Cu | Vanguard Laboratory | 2026-09-10 | 99.42% | 99% |
| Semaglutide | Vanguard Laboratory | 2026-09-09 | 99.55% | 114% |
| TB-500 | Vanguard Laboratory | 2026-09-09 | 99.5% | 108% |
| Tirzepatide | Vanguard Laboratory | 2026-08-05 | 99.8% | 109% |
| Survodutide | Vanguard Laboratory | 2026-03-09 | 99.8% | 97% |
All Peptidology COA documents
- Retatrutide · Vanguard Laboratory · 2026-10-02 · 99.8% pure · 118% of label View COA
- Tesamorelin · Vanguard Laboratory · 2026-10-01 · 99.55% pure · 108% of label View COA
- MOTS-c · Vanguard Laboratory · 2026-09-25 · 99.8% pure · 125% of label View COA
- GLOW · Vanguard Laboratory · 2026-09-17 · 99.8% pure View COA
- GHK-Cu · Vanguard Laboratory · 2026-09-10 · 99.42% pure · 99% of label View COA
- Semaglutide · Vanguard Laboratory · 2026-09-09 · 99.55% pure · 114% of label View COA
- Semaglutide · Vanguard Laboratory · 2026-09-09 · 99.43% pure · 113% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-09-09 · 99.8% pure · 110% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-09-09 · 99.76% pure · 116% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-09-09 · 99.8% pure · 119% of label View COA
- TB-500 · Vanguard Laboratory · 2026-09-09 · 99.5% pure · 108% of label View COA
- Tesamorelin · Vanguard Laboratory · 2026-09-09 · 99.08% pure · 120% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-08-16 · 99.8% pure · 114% of label View COA
- Tirzepatide · Vanguard Laboratory · 2026-08-05 · 99.8% pure · 109% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-08-05 · 99.8% pure · 123% of label View COA
- Semaglutide · Vanguard Laboratory · 2026-07-29 · 99.51% pure · 99% of label View COA
- Tirzepatide · Vanguard Laboratory · 2026-07-28 · 99.38% pure · 109% of label View COA
- Tirzepatide · Vanguard Laboratory · 2026-07-28 · 99.45% pure · 113% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-07-28 · 99.75% pure · 103% of label View COA
- Semaglutide · Vanguard Laboratory · 2026-07-12 · 99.79% pure · 100% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-06-10 · 99.8% pure · 97% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-06-09 · 99.8% pure · 104% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-06-09 · 99.36% pure · 106% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-06-01 · 99.77% pure · 106% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-05-13 · 99.8% pure · 102% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-05-11 · 99.8% pure · 97% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-05-06 · 99.8% pure · 99% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-04-29 · 99.8% pure · 97% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-04-29 · 99.8% pure · 100% of label View COA
- Tirzepatide · Vanguard Laboratory · 2026-04-10 · 99.8% pure · 107% of label View COA
- Tirzepatide · Vanguard Laboratory · 2026-03-31 · 99.8% pure · 102% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-03-31 · 99.8% pure · 104% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-03-31 · 99.8% pure · 98% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-03-09 · 99.8% pure · 100% of label View COA
- Survodutide · Vanguard Laboratory · 2026-03-09 · 99.8% pure · 97% of label View COA
- Retatrutide · Vanguard Laboratory · 2026-02-04 · 99.8% pure · 104% of label View COA
- Retatrutide · Vanguard Laboratory · 2025-12-31 · 99.8% pure · 108% of label View COA
- Retatrutide · Vanguard Laboratory · 2025-12-30 · 99.67% pure · 110% of label View COA
- Tirzepatide · Vanguard Laboratory · 2025-12-09 · 99.8% pure · 102% of label View COA
Ordering
- Website
- peptidology.co
- Location
- US, AZ 85254
- How to order
- Online checkout
- Shipping to the US
- $11.00
- Payment
- card (VISA/AMEX via NMI), Apple Pay, Zelle, bank (Link Money)
- Ships from
- US
FAQ
Is Peptidology legit?
Peptidology has a Finnrick score of 71% (#281), with 14 of 18 independent lab tests passed. No red flags were found in its published COAs.
Does Peptidology publish COAs or lab test results?
Yes: 39 published certificates of analysis, 39 with readable numbers, from Vanguard Laboratory.
Has Peptidology been independently lab tested?
Finnrick has tested Peptidology 18 times, with 14 of 18 passed.
How do you order from Peptidology?
Online checkout. US shipping: $11.00.