Vendor and compound
Retatrutide from Next Gen Peptides
Next Gen Peptides lists Retatrutide at $4.00 per mg, 53% under the $8.45 peer median. 2 third-party certificates for this compound from this vendor are on file, assayed by ILS Laboratories, averaging 99.56% purity. The cheapest listed price for Retatrutide anywhere in the index is $2.90 per mg at ZC Labs.
All Retatrutide vendors · Next Gen Peptides profile · scores 93.8 of 100, rank 1 · 2 certificates for this compound · verified 3 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $40 | $4.00 | -53% | GLP-3 |
Read from the vendor’s own store and normalised per milligram, because a smaller vial at a lower sticker price is usually the dearer peptide. Codepepindex· 10% off applies at checkout.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| RT20-09 | 8 Jul 2026 | 99.99% | 20 mg → 20.87 mg | ILS Laboratories | Open |
| RT10-17 | 9 Jun 2026 | 99.14% | 10 mg → 10.6 mg | ILS Laboratories | Open |
Other vendors selling Retatrutide
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Ascend Science | 90.1 | $5.60 | 0 |
| Amino Club | 88.3 | $7.00 | 2 |
| Origin Labs | 87.7 | — | 4 |
| Bench Grade Peptides | 86.8 | $3.90 | 4 |
| Polaris Peptides | 86.6 | $8.90 | 8 |
| Hydro Research Peptides | 86.5 | — | 4 |
| PeptidePlugs | 86.3 | — | 18 |
| ZC Labs | 83.2 | $2.90 | 5 |
Ordered by overall evidence score. See every vendor listing Retatrutide.
Questions
Is Retatrutide from Next Gen Peptides third-party tested?
Yes. 2 certificates for Retatrutide from Next Gen Peptides are on file, signed by ILS Laboratories. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from.
How much does Retatrutide cost at Next Gen Peptides?
$4.00 per milligram, from 10 mg at $40. The peer median across every vendor we price for Retatrutide is $8.45 per mg, so this is -53% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Next Gen Peptides a good place to buy Retatrutide?
Next Gen Peptides scores 93.8 of 100 on the published rubric and ranks 1 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.