Key facts at a glance
| Retatrutide sizes | 10, 30 mg |
|---|---|
| Price | $7.80/mg (10 mg) to $5.60/mg (30 mg) |
| Third-party testing | Freedom Diagnostics + Janoshik, 99.93% (30 mg, Sept 2026) |
| Ships from | USA (East Coast) |
| Shipping | Free over $120 · UPS/FedEx Ground · 2–5 days |
| Payment methods | Shown at checkout only |
| Guarantee / refunds | Replacement or refund for problems reported within 30 days |
| Best for | Buyers who want to match their vial to a published batch report |
Pros and cons
- Batch-numbered COAs, with every past batch kept in a public library
- Endotoxin, heavy-metal and fentanyl screens on the current 30 mg batch
- CAS number, sequence and formula on the product page
- Free shipping from $120, a low threshold
- Only two sizes
- No legal entity name; payment methods not listed before checkout
- Refund or replacement is 'depending on the circumstances'
- Has not replied to negative Trustpilot reviews
Bottom line
Honest Peptide has some of the best testing documentation in this category and a low free-shipping threshold. It offers only two sizes and gives less detail about the company behind it.
Products and pricing
“GLP-3 R” with CAS 2381089-83-2, the retatrutide sequence and formula C221H342N46O68 on the page. 10 mg $78; 30 mg $168 (marked down from $210). Discounts of 5% (2–5 units), 10% (6–10) and 15% (11–15) apply automatically.
Testing
The COA library lists batch RT1005302026 (10 mg) at 99.83% with 12.62 mg net peptide, and batch RT3009152026 (30 mg) at 99.93% with 33.36 mg. Both list endotoxin and identity (MS) as passed. The product page credits Freedom Diagnostics for purity, identity and endotoxin, and Janoshik for heavy metals on the 10 mg batch (July 9, 2026). The 30 mg batch was tested September 24, 2026, including heavy metals and fentanyl. Earlier batches remain in the library.
Shipping and payment
Orders placed on weekdays before the daily cutoff usually ship the same business day from the East Coast by UPS or FedEx Ground, arriving in about 2–5 business days with tracking. Free shipping on orders of $120 or more; the rate below that is not stated. US street addresses only (no P.O. boxes). Payment methods are shown only at checkout.
Policies and support
Problems reported within 30 days of delivery get a replacement or refund, depending on the circumstances. Damaged or incorrect orders are handled by email with photos. Email hello@honestpeptide.com (reply within 1 business day) and phone (516) 204-9005. Address: 74 E Glenwood Ave, Smyrna, DE. The terms say risk of loss passes to the buyer once the order is handed to the carrier.
Reputation
Domain registered February 25, 2025. Trustpilot shows 4.6 from 62 reviews (84% five-star, 5% one-star); the company has not replied to negative reviews. Visible complaints are minor (a vial that lost its vacuum, slow transit). We found no FDA warning letter or Eli Lilly lawsuit naming the company.
Alternatives to Honest Peptide
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.