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ZestyRat Retatrutide: what it is called on the site, and what it costs

By Shaun Tucker · Checked against the store on Oct 12, 2026 · We earn a commission on orders

If you searched the ZestyRat store for Retatrutide and found nothing, that is because the store lists it under a different name: Tri-Receptor Agonist Peptide, 39aa (LY3437943). LY3437943 is the development code for retatrutide, and the listing carries it in the product name.

Retatrutide prices at ZestyRat on Oct 12, 2026

Read from the store's own catalogue feed on Oct 12, 2026. The checkout is the authority on price.

How to find it on the real site

1. Open the real storeGo to zestyratresearch.com and check the address bar.
2. Sign in or create the free accountProduct pages and the shop open only to registered accounts. What registration asks for.
3. Search the store's name for it, not the common nameThe store's search box matches its own listing names. Searching the common name can come back empty.
4. Apply SHAUN10 in the cart10% off the subtotal. Larger discounts advertised elsewhere are not real; we tested them.

Why the store uses a different name

Research suppliers often list compounds by a chemical description or a development code instead of the name a drug company markets. ZestyRat does this across its incretin and growth-hormone-axis range. The identifiers on the listing are what tell you which compound it is. Every product is sold as a reference standard for laboratory research only. All of the store's names, decoded.

Watch for fake Retatrutide listings

Sites imitating ZestyRat use the common names because that is what people search for. A "ZestyRat Retatrutide" page with open checkout, a WhatsApp button or a 30% code is not the store. The fake sites we have documented.

Questions

Does ZestyRat sell Retatrutide?

Yes. ZestyRat Research lists it as "Tri-Receptor Agonist Peptide, 39aa (LY3437943)". LY3437943 is the development code for retatrutide, and the listing carries it in the product name.

How much is Retatrutide at ZestyRat?

On Oct 12, 2026 it was listed from $89.99, or $80.99 after code SHAUN10. Sizes listed: 10mg, 20mg, 30mg.

Why can I not find Retatrutide on the ZestyRat site?

The store does not use the common name. Search for "Tri-Receptor Agonist Peptide, 39aa (LY3437943)" after you sign in. Product pages are only visible to registered accounts.

Is ZestyRat "GLP-3" the same thing?

GLP-3 is a nickname other vendors use for retatrutide. ZestyRat does not use it; its listing is "Tri-Receptor Agonist Peptide, 39aa (LY3437943)".