Ranked 14 of 20
Particle Peptides
Mid-sized catalog with named-lab certificates on every product page. Dispatch is steady rather than fast.
Overall score
76.4
Solid. Board median 81.7.
Score breakdown
-
Purity
40% weight78.9
5 of 7 samples passed
-
Trust
25% weight85
5 of 7 checks earned in full
-
Delivery
20% weight73
4 business day median
-
Value
15% weightn/a
No listed prices
Transparency checks
Each check is worth a fixed number of points. Together they make up the trust score of 85.
- Certificates readable before checkout 20 / 20
- Lot on certificate matches the vial 20 / 20
- Testing lab named 12 / 12
- Certificate verifies at the lab 0 / 13
- Mass spec identity confirmation 10 / 10
- Trading history (4 years) 8 / 10
- No public enforcement actions 15 / 15
Facts
- Headquarters
- Not disclosed
- Ships from
- United States
- Trading since
- 2022
- Payments
- Cards, Crypto
- Delivery
- 4 business day median
- Carriers
- USPS, UPS. Free over $200
- Testing labs
- MZ Biolabs
What stands out
- Named lab on every certificate
- Transparent batch archive
Where it falls short
- Certificates do not verify at the lab portal
- Four day median delivery
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 |
|---|---|---|---|---|
| Ipamorelin Latest Feb 13, 2026 | 99.58% | 1 / 1 | n/a | 6 of 11 |
| NAD+ Latest Dec 29, 2025 | 99.00% | 0 / 1 | n/a | 8 of 8 |
| TB-500 Latest May 9, 2026 | 99.20% | 0 / 1 | n/a | 8 of 13 |
| GHK-Cu Latest Mar 26, 2026 | 99.76% | 1 / 1 | n/a | 10 of 15 |
| Semaglutide Latest Jun 27, 2026 | 99.60% | 1 / 1 | n/a | 12 of 18 |
| Retatrutide Latest Sep 29, 2026 | 99.63% | 1 / 1 | n/a | 13 of 14 |
| BPC-157 Latest Aug 13, 2026 | 99.50% | 1 / 1 | n/a | 14 of 20 |
- Ipamorelin 6 of 11
1 of 1 passed, n/a
- NAD+ 8 of 8
0 of 1 passed, n/a
- TB-500 8 of 13
0 of 1 passed, n/a
- GHK-Cu 10 of 15
1 of 1 passed, n/a
- Semaglutide 12 of 18
1 of 1 passed, n/a
- Retatrutide 13 of 14
1 of 1 passed, n/a
- BPC-157 14 of 20
1 of 1 passed, n/a
Test history
Every independent result we hold for Particle Peptides, newest first. Fill is the measured quantity as a share of the label claim.
- Retatrutide MZ Biolabs Pass
- BPC-157 MZ Biolabs Pass
- Semaglutide MZ Biolabs Pass
- TB-500 MZ Biolabs Purity below 99.5%
- GHK-Cu MZ Biolabs Pass
- Ipamorelin MZ Biolabs Pass
- NAD+ MZ Biolabs Purity below 99.5%