Vendor and compound

Retatrutide from Ascension Peptides
Ascension Peptides has no Retatrutide price recorded in this index. 2 third-party certificates for this compound from this vendor are on file, assayed by MZ Biolabs, averaging 99.91% purity. The cheapest listed price for Retatrutide anywhere in the index is $2.90 per mg at ZC Labs.
All Retatrutide vendors · Ascension Peptides profile · scores 74.4 of 100, rank 15 · 2 certificates for this compound · verified 5 Oct 2026
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 03-01260229 | 28 Jan 2026 | 99.94% | 10 mg → 11.67 mg | MZ Biolabs | Open |
| 43-01260229 | 26 Jan 2026 | 99.88% | 30 mg → 35.29 mg | MZ Biolabs | Open |
Other vendors selling Retatrutide
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Origin Labs | 89.1 | — | 5 |
| Next Gen Peptides | 87.7 | $4.00 | 16 |
| ZC Labs | 87.2 | $2.90 | 5 |
| Amino Club | 86.1 | $7.00 | 3 |
| Bench Grade Peptides | 79.4 | $3.90 | 4 |
| Hydro Research Peptides | 78.7 | — | 1 |
| Stealth Research Labs | 78.1 | $7.00 | 1 |
| One Aminos | 78 | $7.00 | 2 |
Ordered by overall evidence score. See every vendor listing Retatrutide.
Questions
Is Retatrutide from Ascension Peptides third-party tested?
Yes. 2 certificates for Retatrutide from Ascension Peptides are on file, signed by MZ Biolabs. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from.
Is Ascension Peptides a good place to buy Retatrutide?
Ascension Peptides scores 74.4 of 100 on the published rubric and ranks 15 overall, computed from its documentation rather than from opinion. For Retatrutide specifically it has 2 certificates on file. ZC Labs lists it cheaper at $2.90 per mg.