Ranked 12 of 20
Peptidology
Publishes a seven point panel per batch, including endotoxins, from an ISO 17025 accredited lab. The lab itself is not named on the certificate.
Overall score
77.5
Solid. Board median 77.9.
Score breakdown
-
Purity
40% weight84.0
5 of 6 samples passed
-
Trust
25% weight84
5 of 7 checks earned in full
-
Delivery
20% weight82
3 business day median
-
Value
15% weight43
1.27x the market median per mg
Transparency checks
Each check is worth a fixed number of points. Together they make up the trust score of 84.
- Certificates readable before checkout 20 / 20
- Lot on certificate matches the vial 20 / 20
- Testing lab named 0 / 12
- Certificate verifies at the lab 13 / 13
- Mass spec identity confirmation 10 / 10
- Trading history (3 years) 6 / 10
- No public enforcement actions 15 / 15
Facts
- Headquarters
- Not disclosed
- Ships from
- United States
- Trading since
- 2023
- Payments
- Cards
- Delivery
- 3 business day median
- Carriers
- USPS, UPS. Free over $150
- Testing labs
- ISO 17025 accredited lab (unnamed)
- Public reviews
- 4.6 average across 430 reviews
What stands out
- Seven point test panel including endotoxins
- Accredited laboratory
Where it falls short
- Lab name withheld
- Card only, no alternative payment rails
Product by product
Rank is this vendor’s position among all vendors tested on that compound. Price is the listed vial normalised to dollars per milligram.
| Product | Rank | Avg purity | Tests | Price | Pass score |
|---|---|---|---|---|---|
| BPC-157 Latest Jun 13, 2026 | 10 | 99.57% | 1 / 1 | $9.20/mg $46 / 5 mg | 82.0 |
| PT-141 Latest Jan 8, 2026 | 6 | 99.70% | 1 / 1 | $5.40/mg $54 / 10 mg | 100.0 |
| Retatrutide Latest Sep 12, 2026 | 8 | 99.72% | 1 / 1 | $11.4/mg $114 / 10 mg | 100.0 |
| Semaglutide Latest Apr 28, 2026 | 14 | 99.40% | 0 / 1 | $13.2/mg $66 / 5 mg | 47.9 |
| Tesamorelin Latest Mar 5, 2026 | 3 | 99.52% | 1 / 1 | $9.40/mg $94 / 10 mg | 80.8 |
| Tirzepatide Latest Aug 1, 2026 | 9 | 99.68% | 1 / 1 | $9.00/mg $90 / 10 mg | 95.8 |
| GHK-Cu Listed, not yet tested | n/a | n/a | 0 | $0.76/mg $38 / 50 mg | n/a |
| Ipamorelin Listed, not yet tested | n/a | n/a | 0 | $7.60/mg $38 / 5 mg | n/a |
- BPC-157 82.0
Rank 10, 1 of 1 passed, $9.20/mg
- PT-141 100.0
Rank 6, 1 of 1 passed, $5.40/mg
- Retatrutide 100.0
Rank 8, 1 of 1 passed, $11.4/mg
- Semaglutide 47.9
Rank 14, 0 of 1 passed, $13.2/mg
- Tesamorelin 80.8
Rank 3, 1 of 1 passed, $9.40/mg
- Tirzepatide 95.8
Rank 9, 1 of 1 passed, $9.00/mg
- GHK-Cu n/a
Rank n/a, 0 of 0 passed, $0.76/mg
- Ipamorelin n/a
Rank n/a, 0 of 0 passed, $7.60/mg
Test history
Every independent result we hold for Peptidology, newest first. Fill is the measured quantity as a share of the label claim.
- Retatrutide North American Diagnostics Pass
- Tirzepatide North American Diagnostics Pass
- BPC-157 North American Diagnostics Pass
- Semaglutide North American Diagnostics Purity below 99.5%
- Tesamorelin North American Diagnostics Pass
- PT-141 North American Diagnostics Pass