Key facts at a glance
| Retatrutide sizes | 10, 20, 30, 60 mg |
|---|---|
| Price | $95 (10 mg) to $210 (60 mg), $3.50/mg |
| Third-party testing | PurePoint 99.30% (Sep 2026), ILS 99.72%, Freedom 99.808% |
| Ships from | Frisco, TX |
| Shipping | $10 flat · free over $200 · ships within 24 h |
| Payment methods | Credit card, Zelle, Venmo, ACH |
| Guarantee / refunds | All sales final; replacement for missing, wrong or damaged items reported within 48 h |
| Best for | Buyers who want a full test panel and can accept an all-sales-final policy |
Pros and cons
- Batch COAs from three named labs, issued to FITSKNS Research Group
- Latest COA (September 2026) covers identity by LC-MS, endotoxin, sterility, heavy metals and fentanyl screening
- Low price per mg on the 60 mg vial
- Trustpilot 4.9 from 252 reviews
- Compound not named; described as a GLP-1/GIP/glucagon triple agonist
- All sales final; no responsibility for packages marked delivered
- Account registration required to see products and prices
- No street address on the site; phone is voicemail with email replies
Bottom line
FITSKNS publishes thorough retatrutide testing and has a strong review record. Its main drawbacks are an all-sales-final policy and a store that requires an account before you can see products.
Products and pricing
“FIT-3RT” is described as a peptide that “interacts with three key receptor systems—GLP-1, GIP, and glucagon”. The site does not use the name retatrutide. Prices: 10 mg $95, 20 mg $140, 30 mg $170, 60 mg $210. All sizes were in stock. A FIT-3RT/cagrilintide 5 mg/5 mg blend sells for $110. Visitors must create a free account to browse.
Testing
The product gallery includes COAs issued to FITSKNS Research Group:
- PurePoint Analytical, 60 mg lot RT60-260912, issued September 22, 2026: identity confirmed by LC-MS, purity 99.30%, content 61.78 mg. Endotoxin, sterility, heavy metals and fentanyl screen all passed.
- ILS Laboratories (ISO 17025), 10 mg lot RT10-260527, June 2026: purity 99.72%, 10.24 mg, endotoxin 0.081 EU/mL, no growth on sterility.
- Freedom Diagnostics, 10 mg lot RT10-260402, April 2026: 99.808% by HPLC-MS, with the identity listed as “GLP RT”.
The gallery also includes ILS and Freedom Diagnostics report images labeled for the 20 and 30 mg sizes, which we did not review in detail.
Shipping and payment
Orders ship from Frisco, TX, most within 24 hours of payment. Shipping is a flat $10, or free on orders of $200 or more. Expedited options and tracking are available. US only; local pickup in Frisco can be scheduled. Payment by credit card, Zelle, Venmo or ACH.
Policies and support
All sales are final, with no cancellations or returns. Missing, incorrect or damaged items reported within 48 hours, with photos, may qualify for a replacement after review. Packages marked delivered are the buyer’s responsibility. Support is by email (reply typically within one business day) and contact form. A phone line, 469-850-2356, takes messages, and the company replies by email. The operator is FITSKNS Research Group LLC. The site gives Frisco, TX as its location but no street address.
Reputation
Trustpilot shows 4.9 from 252 reviews (98% five-star). The profile is claimed, and the company replies to all negative reviews. The domain was registered August 1, 2025. We found no FDA warning letter or Eli Lilly lawsuit naming the company.
Alternatives to FITSKNS Peptides
Every vendor is assessed against the same 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.