Single Vial PeptidesTirz vs Reta vs Sema: What the Names Mean
You'll see these three short names everywhere. Here's what each one stands for.
Sema = semaglutide
It acts on one receptor, GLP-1. Prescription brands: Ozempic and Wegovy. Sema 5mg.
Tirz = tirzepatide
It acts on two receptors, GIP and GLP-1. Prescription brands: Mounjaro and Zepbound. Tirz vials.
Reta = retatrutide
It acts on three receptors: GIP, GLP-1 and glucagon. Still in trials, with no approved brand. Reta vials.
The easy way to remember
One receptor, two, then three: Sema, Tirz, Reta. For the full side by side, see Tirz vs Reta.
Research use
Single Vial Peptides lists Sema, Tirz and Reta as laboratory research powders, never for people or animals. This page compares names only and gives no dosing.
Flaskor som nämns i denna guide
- Tirz (Tirzepatide) 10mg · $35.00
- Reta (Retatrutide) 10mg · $50.00
- Sema (Semaglutide) 5mg · $35.00
Injektionsflaskor för forskning. 21 eller äldre. Inte för människor eller djur. Inte medicinsk rådgivning.