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
61.7
Mixed. Board median 81.7.
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% weight15
1.62x 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
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, 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 |
|---|---|---|---|---|
| PT-141 Latest Feb 12, 2026 | 99.70% | 1 / 1 | $4.30/mg $43 / 10 mg Buy | 6 of 8 |
| Ipamorelin Latest Apr 3, 2026 | 99.58% | 0 / 1 | $8.60/mg $43 / 5 mg Buy | 9 of 11 |
| TB-500 Latest Jul 22, 2026 | 99.48% | 0 / 1 | $15.6/mg $78 / 5 mg Buy | 10 of 13 |
| GHK-Cu Latest Dec 4, 2025 | 99.60% | 1 / 1 | $1.16/mg $58 / 50 mg Buy | 12 of 15 |
| Semaglutide Latest Jun 1, 2026 | 99.63% | 1 / 1 | n/a | 15 of 18 |
| BPC-157 Latest Oct 11, 2026 | 99.55% | 1 / 1 | $10.4/mg $52 / 5 mg Buy | 17 of 20 |
| CJC-1295 (no DAC) Listed, not yet tested | n/a | 0 | $8.20/mg $41 / 5 mg Buy | unranked |
| NAD+ Listed, not yet tested | n/a | 0 | $0.39/mg $292 / 750 mg Buy | unranked |
| Tesamorelin Listed, not yet tested | n/a | 0 | $7.90/mg $79 / 10 mg Buy | unranked |
- PT-141 6 of 8
1 of 1 passed, $4.30/mg
Buy PT-141 - Ipamorelin 9 of 11
0 of 1 passed, $8.60/mg
Buy Ipamorelin - TB-500 10 of 13
0 of 1 passed, $15.6/mg
Buy TB-500 - GHK-Cu 12 of 15
1 of 1 passed, $1.16/mg
Buy GHK-Cu - Semaglutide 15 of 18
1 of 1 passed, n/a
- BPC-157 17 of 20
1 of 1 passed, $10.4/mg
Buy BPC-157 - CJC-1295 (no DAC) unranked
0 of 0 passed, $8.20/mg
Buy CJC-1295 (no DAC) - NAD+ unranked
0 of 0 passed, $0.39/mg
Buy NAD+ - Tesamorelin unranked
0 of 0 passed, $7.90/mg
Buy Tesamorelin
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