Ranked 17 of 20
Core Peptides
One of the longer running US storefronts. Certificates are public and lot-matched, but the lab is not named and identity testing is HPLC only.
Overall score
67.7
Mixed. Board median 77.9.
Score breakdown
-
Purity
40% weight71.5
4 of 6 samples passed
-
Trust
25% weight65
4 of 7 checks earned in full
-
Delivery
20% weight73
4 business day median
-
Value
15% weight55
1.15x the market median per mg
Transparency checks
Each check is worth a fixed number of points. Together they make up the trust score of 65.
- Certificates readable before checkout 20 / 20
- Lot on certificate matches the vial 20 / 20
- Testing lab named 0 / 12
- Certificate verifies at the lab 0 / 13
- Mass spec identity confirmation 0 / 10
- Trading history (6 years) 10 / 10
- No public enforcement actions 15 / 15
Facts
- Headquarters
- Orlando, FL
- Ships from
- United States
- Trading since
- 2020
- Payments
- Cards, Crypto
- Delivery
- 4 business day median
- Carriers
- USPS, UPS. Free over $200
- Testing labs
- Not named on certificates
- Public reviews
- 4.4 average across 2,100 reviews
What stands out
- Six years of continuous operation
- Certificates readable before checkout
- Free shipping over 200 dollars
Where it falls short
- Testing lab is not named on the certificate
- No mass spectrometry identity confirmation
- Slower dispatch than the top of the board
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 Oct 11, 2026 | 3 | 99.55% | 1 / 1 | $8.40/mg $42 / 5 mg | 84.6 |
| GHK-Cu Latest Dec 4, 2025 | 14 | 99.60% | 1 / 1 | $0.70/mg $35 / 50 mg | 97.3 |
| Ipamorelin Latest Apr 3, 2026 | 11 | 99.58% | 0 / 1 | $7.00/mg $35 / 5 mg | 55.2 |
| PT-141 Latest Feb 12, 2026 | 4 | 99.70% | 1 / 1 | $4.90/mg $49 / 10 mg | 100.0 |
| Semaglutide Latest Jun 1, 2026 | 10 | 99.63% | 1 / 1 | $12.0/mg $60 / 5 mg | 85.6 |
| TB-500 Latest Jul 22, 2026 | 13 | 99.48% | 0 / 1 | $10.0/mg $50 / 5 mg | 39.8 |
| CJC-1295 (no DAC) Listed, not yet tested | n/a | n/a | 0 | $9.20/mg $46 / 5 mg | n/a |
| NAD+ Listed, not yet tested | n/a | n/a | 0 | $0.13/mg $66 / 500 mg | n/a |
| Retatrutide Listed, not yet tested | n/a | n/a | 0 | $10.5/mg $105 / 10 mg | n/a |
| Tesamorelin Listed, not yet tested | n/a | n/a | 0 | $8.60/mg $86 / 10 mg | n/a |
| Tirzepatide Listed, not yet tested | n/a | n/a | 0 | $8.20/mg $82 / 10 mg | n/a |
- BPC-157 84.6
Rank 3, 1 of 1 passed, $8.40/mg
- GHK-Cu 97.3
Rank 14, 1 of 1 passed, $0.70/mg
- Ipamorelin 55.2
Rank 11, 0 of 1 passed, $7.00/mg
- PT-141 100.0
Rank 4, 1 of 1 passed, $4.90/mg
- Semaglutide 85.6
Rank 10, 1 of 1 passed, $12.0/mg
- TB-500 39.8
Rank 13, 0 of 1 passed, $10.0/mg
-
Rank n/a, 0 of 0 passed, $9.20/mg
- NAD+ n/a
Rank n/a, 0 of 0 passed, $0.13/mg
- Retatrutide n/a
Rank n/a, 0 of 0 passed, $10.5/mg
- Tesamorelin n/a
Rank n/a, 0 of 0 passed, $8.60/mg
- Tirzepatide n/a
Rank n/a, 0 of 0 passed, $8.20/mg
Test history
Every independent result we hold for Core Peptides, newest first. Fill is the measured quantity as a share of the label claim.
- BPC-157 Janoshik Analytical Pass
- TB-500 Janoshik Analytical Purity below 99.5%
- Semaglutide Janoshik Analytical Pass
- Ipamorelin Janoshik Analytical Underfilled vial
- PT-141 Janoshik Analytical Pass
- GHK-Cu Janoshik Analytical Pass