Ranked 9 of 20 peptide vendors. Reviewed Oct 27, 2026.
Peptidology review
Is Peptidology legit, safe, and worth ordering from?
Mostly yes, with reservations. Peptidology scores 84.1 out of 100 and ranks 9 of 20 on our board. 5 of 6 independent samples met the standard.
Overall score
84.1
Solid. Board median 81.7.
Is Peptidology legit?
What the vendor says about itself, what we could verify on its site, and what the independent results show.
Publishes a seven point panel per batch, including endotoxins, from an ISO 17025 accredited lab. The lab itself is not named on the certificate.
Peptidology scores 84.1 out of 100 on our board, which puts it in position 9 of 20 vendors. 5 of 6 independent samples met the standard of 99.5% purity, confirmed identity, and accurate fill, and every result is listed in the test history below. It earns 5 of 7 transparency checks in full.
Where it falls short: lab name withheld; card only, no alternative payment rails.
Score breakdown
-
Purity
40% weight84.1
5 of 6 samples passed
-
Trust
25% weight84
5 of 7 checks earned in full
-
Delivery
20% weight82
3 business day median
-
Value
15% weight87
0.83x 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)
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, by overall score, among the vendors with independent results for that compound. Purity and pass counts are for the compound alone. Price is the listed vial normalised to dollars per milligram.
| Product | Avg purity | Passed | Price | Rank |
|---|---|---|---|---|
| Tesamorelin Latest Mar 5, 2026 | 99.52% | 1 / 1 | $6.67/mg $80 / 12 mg Buy | 3 of 7 |
| PT-141 Latest Jan 8, 2026 | 99.70% | 1 / 1 | n/a | 4 of 8 |
| Tirzepatide Latest Aug 1, 2026 | 99.68% | 1 / 1 | n/a | 7 of 12 |
| Semaglutide Latest Apr 28, 2026 | 99.40% | 0 / 1 | n/a | 8 of 18 |
| BPC-157 Latest Jun 13, 2026 | 99.57% | 1 / 1 | $4.40/mg $44 / 10 mg Buy | 9 of 20 |
| Retatrutide Latest Sep 12, 2026 | 99.72% | 1 / 1 | n/a | 9 of 14 |
| CJC-1295 (no DAC) Listed, not yet tested | n/a | 0 | $9.00/mg $45 / 5 mg Buy | unranked |
| GHK-Cu Listed, not yet tested | n/a | 0 | $0.43/mg $22 / 50 mg Buy | unranked |
| Ipamorelin Listed, not yet tested | n/a | 0 | $5.00/mg $50 / 10 mg Buy | unranked |
| NAD+ Listed, not yet tested | n/a | 0 | $0.10/mg $55 / 552 mg Buy | unranked |
| TB-500 Listed, not yet tested | n/a | 0 | $5.09/mg $55 / 10.8 mg Buy | unranked |
- Tesamorelin 3 of 7
1 of 1 passed, $6.67/mg
Buy Tesamorelin - PT-141 4 of 8
1 of 1 passed, n/a
- Tirzepatide 7 of 12
1 of 1 passed, n/a
- Semaglutide 8 of 18
0 of 1 passed, n/a
- BPC-157 9 of 20
1 of 1 passed, $4.40/mg
Buy BPC-157 - Retatrutide 9 of 14
1 of 1 passed, n/a
- CJC-1295 (no DAC) unranked
0 of 0 passed, $9.00/mg
Buy CJC-1295 (no DAC) - GHK-Cu unranked
0 of 0 passed, $0.43/mg
Buy GHK-Cu - Ipamorelin unranked
0 of 0 passed, $5.00/mg
Buy Ipamorelin - NAD+ unranked
0 of 0 passed, $0.10/mg
Buy NAD+ - TB-500 unranked
0 of 0 passed, $5.09/mg
Buy TB-500
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
Questions about Peptidology
Short answers built from the data on this page. Scores are recomputed whenever new results are published.
Is Peptidology legit?
Mostly yes, with reservations. Peptidology scores 84.1 out of 100 and ranks 9 of 20 on our board. 5 of 6 independent samples met the standard. The overall score of 84.1 combines purity results (84.1), transparency (84 of 100), delivery (82 of 100), and price (87), and every input is shown on this page.
Is Peptidology trustworthy?
Peptidology earns 5 of 7 transparency checks in full: certificates readable before checkout, lot on certificate matches the vial, certificate verifies at the lab, mass spec identity confirmation, and no public enforcement actions. It falls short on testing lab named, and trading history (3 years). We found no public enforcement actions against it.
Is Peptidology safe? Are the peptides clean?
A sample passes our standard only when purity is at least 99.5% by HPLC, identity is confirmed by mass spectrometry, and the measured fill is within 25% of the label. 5 of 6 independent Peptidology samples met it, with a weighted average purity of 99.61% and the latest result dated Sep 12, 2026. Every result is listed in the test history on this page.
How fast does Peptidology ship?
Dispatch timing is not advertised, by USPS, and UPS, with tracking. Our delivery figure is 3 business days from order to doorstep for US addresses. Free shipping starts at 150 dollars.
Does Peptidology publish certificates of analysis?
Yes. Certificates can be read before you buy. The lot number on the certificate matches the vial. The testing lab is not named. Reports can be re-checked on the lab’s own site. Identity is confirmed by mass spectrometry as well as HPLC.
What does Peptidology sell, and what does it cost?
Of the compounds we track, Peptidology carries BPC-157, CJC-1295 (no DAC), GHK-Cu, Ipamorelin, NAD+, TB-500, and Tesamorelin. Current single-vial prices and direct links are in the product table on this page.
What payment methods does Peptidology accept?
Cards.
Where is Peptidology located?
The company does not publish a business address. Orders ship from United States, and the storefront has been trading since 2023.