Buy Retatrutide Online
Buying retatrutide online may be an option once it is FDA approved and at that point it will be ready for human treatment. For now, only research compounds with similar triple antagonist qualities are available (i.e. GLP-3).
Ordering is simple. You create a free account, select the quantity, and enter your payment details and it will be delivered to your door.
Where to Buy Retatrutide?
Three vendors we track stock research-grade retatrutide, each under its own catalog name, and all three publish third-party COAs. Amino Club’s 10mg GLP-3 vial is the cheapest way in at $69.99.
| Vendor | Size | Price | Notes |
|---|---|---|---|
| Amino Club | 10mg vial (sold as GLP-3) | $69.99 | 8x ISO 17025 tested, lot-matched COA, ships same day before 3 PM ET |
| EZ Peptides | 12mg vial (sold as EZP-3P) | $82.00 | Janoshik-verified 99.2%+ purity, 2-Day and overnight upgrades |
| Ascension | 10mg vial (sold as R-10) | $99.00 | Kovera Labs COA per batch, currently marked down from $149.99 |
What is Retatrutide?
Retatrutide (LY3437943) is a single synthetic peptide that activates the GIP, GLP-1 and glucagon receptors at once. It is the next development to follow Tirzepatide, and it has shown strong results in the initial clinical trials.
Does retatrutide work, and what is the evidence?
Retatrutide is not FDA approved as a medicine yet, but unlike most compounds sold as research peptides it has a substantial human record. A phase 2 trial in the New England Journal of Medicine reported up to 24.2% mean weight loss at 48 weeks, and in May 2026 the pivotal TRIUMPH-1 trial reported up to 28.3% at 80 weeks. The only legal route to taking it is to participate in a clinical trial.
| Study | What it is | Status, August 2026 |
|---|---|---|
| Phase 2 (NEJM 2023) | Dose-finding in obesity | Published; up to 24.2% weight loss at 48 weeks |
| TRIUMPH-1 (NCT05929066) | Pivotal Phase 3, obesity | Topline reported May 2026; up to 28.3% at 80 weeks |
| TRIUMPH-2 (NCT05929079) | Obesity with type 2 diabetes | Ongoing; readout expected late 2026 |
What this evidence does not cover
The FDA has not approved Retatrutide as a medicine yet. Anything sold online is grey-market material or sold for research use only. Grey market is made outside any regulatory system; surplus pharmaceutical retatrutide does not exist.
Primary sources
- Triple–Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 Trial. N Engl J Med, 2023 (NEJMoa2301972)
- Lilly investor release: TRIUMPH-1 topline results, 21 May 2026
- ClinicalTrials.gov NCT05929066: TRIUMPH-1 obesity master protocol
What does retatrutide cost per mg?
Analysts expect that retatrutide will cost $1,200 – $1,800 per month when it is first released.
Demand since the TRIUMPH-1 headlines has made retatrutide a magnet for unverified listings and grey market distribution. A recent, batch-matched third-party certificate of analysis should be the bare minimum for taking any listing seriously, and free-shipping thresholds quietly push buyers toward larger orders than they need.
When will I get my order?
- Depending on the vendor your order from, you will receive your peptides within 7 business days. Here is shipping speed by vendor:
- Amino Club: 3 to 5 Business Days
- EZ Peptides: 5 to 7 Business Days
- Ascension: 5 to 7 Business Days
Ready to order?
Research use only. Third-party tested, shipped in 3 to 5 business days.