Ranked 13 of 20
Particle Peptides
Mid-sized catalog with named-lab certificates on every product page. Dispatch is steady rather than fast.
Overall score
77.1
Solid. Board median 77.9.
Score breakdown
-
Purity
40% weight78.8
5 of 7 samples passed
-
Trust
25% weight85
5 of 7 checks earned in full
-
Delivery
20% weight73
4 business day median
-
Value
15% weight65
1.05x the market median per mg
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
- Public reviews
- 4.5 average across 560 reviews
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 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 Aug 13, 2026 | 6 | 99.50% | 1 / 1 | $7.60/mg $38 / 5 mg | 83.3 |
| GHK-Cu Latest Mar 26, 2026 | 10 | 99.76% | 1 / 1 | $0.64/mg $32 / 50 mg | 97.5 |
| Ipamorelin Latest Feb 13, 2026 | 7 | 99.58% | 1 / 1 | $6.40/mg $32 / 5 mg | 90.2 |
| NAD+ Latest Dec 29, 2025 | 5 | 99.00% | 0 / 1 | $0.12/mg $60 / 500 mg | 45.5 |
| Retatrutide Latest Sep 29, 2026 | 13 | 99.63% | 1 / 1 | $9.50/mg $95 / 10 mg | 100.0 |
| Semaglutide Latest Jun 27, 2026 | 7 | 99.60% | 1 / 1 | $11.0/mg $55 / 5 mg | 86.1 |
| TB-500 Latest May 9, 2026 | 12 | 99.20% | 0 / 1 | $9.00/mg $45 / 5 mg | 43.4 |
| CJC-1295 (no DAC) Listed, not yet tested | n/a | n/a | 0 | $8.40/mg $42 / 5 mg | n/a |
| PT-141 Listed, not yet tested | n/a | n/a | 0 | $4.50/mg $45 / 10 mg | n/a |
- BPC-157 83.3
Rank 6, 1 of 1 passed, $7.60/mg
- GHK-Cu 97.5
Rank 10, 1 of 1 passed, $0.64/mg
- Ipamorelin 90.2
Rank 7, 1 of 1 passed, $6.40/mg
- NAD+ 45.5
Rank 5, 0 of 1 passed, $0.12/mg
- Retatrutide 100.0
Rank 13, 1 of 1 passed, $9.50/mg
- Semaglutide 86.1
Rank 7, 1 of 1 passed, $11.0/mg
- TB-500 43.4
Rank 12, 0 of 1 passed, $9.00/mg
-
Rank n/a, 0 of 0 passed, $8.40/mg
- PT-141 n/a
Rank n/a, 0 of 0 passed, $4.50/mg
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%