Peptizen has 60 reviews (5.0/5) while COSPEP has no reviews yet; they both offer 5 of the same peptides. Check each profile's COAs, shipping and payment options before ordering.
| COSPEP | Peptizen | |
|---|---|---|
| Rating | No reviews yet | 5.0/5 |
| Reviews | 0 | 60 |
| Country | United States | Lithuania |
| Shipping | Worldwide | Lithuania, Europe, Worldwide |
| Payments | Bank transfer | Bank transfer, Credit card |
| Verified supplier | No | ✓ Yes |
| Peptides offered | Retatrutide, GHK-Cu, Semaglutide, Tirzepatide, NAD+, Snap-8, KPV, DSIP, Epitalon | Retatrutide, Tirzepatide, GHK-Cu, BPC-157, TB-500, MOTS-c, DSIP, KPV, Tesamorelin, Epithalon |
| COSPEP reviews → | Peptizen reviews → |
Peptides both offer: Retatrutide, Tirzepatide, GHK-Cu, DSIP, KPV
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