Ranked 5 of 20
Skye Peptides
Newer vendor whose certificates all re-check at the issuing lab. Strong on the metabolic peptides, less proven on the growth hormone axis compounds.
Overall score
85.9
Strong. Board median 77.9.
Score breakdown
-
Purity
40% weight87.5
6 of 7 samples passed
-
Trust
25% weight96
6 of 7 checks earned in full
-
Delivery
20% weight82
3 business day median
-
Value
15% weight70
1.00x the market median per mg
Transparency checks
Each check is worth a fixed number of points. Together they make up the trust score of 96.
- Certificates readable before checkout 20 / 20
- Lot on certificate matches the vial 20 / 20
- Testing lab named 12 / 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, Crypto
- Delivery
- 3 business day median
- Carriers
- USPS, UPS. Free over $150
- Testing labs
- Janoshik Analytical, MZ Biolabs
- Public reviews
- 4.6 average across 610 reviews
What stands out
- Every certificate verifies at the lab
- Strong results on retatrutide and tirzepatide
Where it falls short
- Shorter trading history
- Fewer tests on recovery peptides
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 Apr 15, 2026 | 13 | 99.57% | 1 / 1 | $7.20/mg $36 / 5 mg | 80.8 |
| Cagrilintide Latest Jul 24, 2026 | 2 | 99.65% | 1 / 1 | $13.2/mg $66 / 5 mg | 100.0 |
| GHK-Cu Latest Jan 13, 2026 | 11 | 99.80% | 1 / 1 | $0.60/mg $30 / 50 mg | 97.4 |
| Retatrutide Latest Oct 6, 2026 | 3 | 99.78% | 1 / 1 | $9.00/mg $90 / 10 mg | 100.0 |
| Semaglutide Latest Jun 9, 2026 | 9 | 99.69% | 1 / 1 | $10.4/mg $52 / 5 mg | 85.8 |
| Tesamorelin Latest Feb 28, 2026 | 6 | 99.00% | 0 / 1 | $7.40/mg $74 / 10 mg | 47.4 |
| Tirzepatide Latest Sep 1, 2026 | 4 | 99.72% | 1 / 1 | $7.10/mg $71 / 10 mg | 96.0 |
| Ipamorelin Listed, not yet tested | n/a | n/a | 0 | $6.00/mg $30 / 5 mg | n/a |
| NAD+ Listed, not yet tested | n/a | n/a | 0 | $0.11/mg $57 / 500 mg, out of stock | n/a |
- BPC-157 80.8
Rank 13, 1 of 1 passed, $7.20/mg
- Cagrilintide 100.0
Rank 2, 1 of 1 passed, $13.2/mg
- GHK-Cu 97.4
Rank 11, 1 of 1 passed, $0.60/mg
- Retatrutide 100.0
Rank 3, 1 of 1 passed, $9.00/mg
- Semaglutide 85.8
Rank 9, 1 of 1 passed, $10.4/mg
- Tesamorelin 47.4
Rank 6, 0 of 1 passed, $7.40/mg
- Tirzepatide 96.0
Rank 4, 1 of 1 passed, $7.10/mg
- Ipamorelin n/a
Rank n/a, 0 of 0 passed, $6.00/mg
- NAD+ n/a
Rank n/a, 0 of 0 passed, $0.11/mg
Test history
Every independent result we hold for Skye Peptides, newest first. Fill is the measured quantity as a share of the label claim.
- Retatrutide Janoshik Analytical Pass
- Tirzepatide MZ Biolabs Pass
- Cagrilintide Janoshik Analytical Pass
- Semaglutide Janoshik Analytical Pass
- BPC-157 MZ Biolabs Pass
- Tesamorelin Janoshik Analytical Purity below 99.5%
- GHK-Cu Janoshik Analytical Pass