Key facts at a glance
| Retatrutide sizes | 10, 20, 30 mg |
|---|---|
| Price | $79 (10 mg) · $139 (20 mg) · $179 (30 mg); 5–10% off 5+ vials |
| Third-party testing | Not found for retatrutide |
| Ships from | Not stated (business address Houston, TX) |
| Shipping | Ships in 1–2 business days · free FedEx 2Day over $300 |
| Payment methods | Major credit and debit cards |
| Guarantee / refunds | 7-day returns on sealed items, store credit only |
| Best for | Not recommended until a retatrutide COA is published |
Pros and cons
- Domain registered in 2017
- Street address published (Houston, TX)
- Quantity discounts of 5% (5–8 vials) and 10% (9+ vials)
- No retatrutide COA or testing lab shown
- Email and contact form only; no phone
- Returns give store credit only, and the customer pays return shipping
- Only 1 Trustpilot review in the last 12 months
Bottom line
GenX Peptides has the longest-running domain of the vendors here and a real street address. However, it shows no testing evidence for retatrutide and offers weak buyer protection.
Products and pricing
“GP-3 RETA” is listed under GLP-1s. The page title calls it “Retatrutide Research Peptide (GP-3 RETA)”. Prices: 10 mg $79, 20 mg $139, 30 mg $179 (about $5.97/mg at 30 mg). All three sizes were in stock. Orders of 5–8 vials get 5% off, and 9 or more get 10% off.
Testing
The page metadata says “HPLC/MS tested with certificates of analysis”, and the About page mentions independent testing. We found no retatrutide COA, batch number or lab name anywhere on the site.
Shipping and payment
Orders ship within 1–2 business days by priority or express service with delivery confirmation and tracking. Domestic orders over $300 ship free by FedEx 2Day; the cost below that is not stated. The product page lists “All major credit/debit cards”.
Policies and support
Sealed items can be returned within 7 days for store credit, and the customer pays return shipping. Refused parcels count as delivered. The site has no domestic lost-package policy. Support is by email ([email protected]) and contact form, Monday–Friday 9 am–4 pm CT. No phone number is listed. Address: 1415 N Loop W, Houston, TX 77008. A “Powered by Sterling Path LLC” credit appears on the age-verification pop-up; we could not confirm which legal entity operates the store.
Reputation
The genx.bio domain was registered October 16, 2017; the site claims the business was founded in 2013. Trustpilot shows 4.5 from 17 reviews, with only one in the last 12 months. The two one-star reviews involve non-delivered international orders, and the company disputed both. We found no FDA warning letter or Eli Lilly lawsuit naming GenX Peptides.
Alternatives to GenX Peptides
Scores use the weighted criteria explained on How We Rate. Vendors change prices and policies often — confirm details on the vendor's site before ordering. Retatrutide is an investigational compound and is not FDA-approved; see our medical disclaimer.