VialGLP-1 & Metabolic

Retatrutide (GLP-3)

Name: Retatrutide (GLP-3)
Brand: Prime Bio Group

Triple agonist hitting GIP, GLP-1 and glucagon receptors — the most-studied of the next-generation metabolic compounds. 14mg and 28mg vials.

For research use only · not for human consumption

14mg vial$135Order at Prime →

28mg vial$190Order at Prime →

View Retatrutide (GLP-3) at Prime Bio Group →

Orders are placed, processed, and shipped by Prime Bio Group. Fresno Peptide Lab does not stock or sell product — we may earn a commission at no extra cost to you.

Independent research on Retatrutide (GLP-3). Our sister publication Peptides Uncaged maintains a plain-English research guide covering mechanism, the published literature, and how vendors are scored on purity and COA transparency. It is written independently of any lab. How to read a COA is worth ten minutes before your first order.

The research

What Retatrutide (GLP-3) is being studied for

GLP-3 is a novel investigational peptide that functions as a triple agonist, targeting the GLP-1 (glucagon-like peptide-1), GIP (glucose-dependent insulinotropic polypeptide), and glucagon receptors simultaneously. This multi-receptor activity is designed to enhance metabolic regulation by improving insulin sensitivity, reducing appetite, increasing energy expenditure, and promoting weight reduction.

In research settings, GLP-3 has been studied for its ability to deliver greater efficacy in weight management and glycemic control compared to single- or dual-agonist therapies. By engaging three distinct pathways, GLP-3 may provide synergistic benefits for metabolic health, making it a key focus in obesity and type 2 diabetes research.

Potential applications of GLP-3 peptide research include:

Where it is being applied in research

Weight management studies with superior reductions in body fat and appetite suppression
Type 2 diabetes research focused on glycemic control and insulin sensitivity
Metabolic health studies exploring energy expenditure and improved lipid profiles
Cardiovascular risk reduction research through comprehensive metabolic regulation

Summary of published preclinical and clinical literature, provided for research context only. Not a claim of efficacy and not medical advice.

Common questions

Retatrutide (GLP-3) — FAQ

What is Retatrutide (GLP-3)?

Triple agonist hitting GIP, GLP-1 and glucagon receptors — the most-studied of the next-generation metabolic compounds. 14mg and 28mg vials.

What formats does Retatrutide (GLP-3) come in?

Prime Bio Group supplies Retatrutide (GLP-3) as vial. Available options: 14mg vial at $135; 28mg vial at $190.

Is there a certificate of analysis for Retatrutide (GLP-3)?

Yes. Prime Bio Group is a physician-owned lab and provides a certificate of analysis on every batch. A COA reports identity by mass spectrometry and purity by HPLC — if you are not sure how to read one, our guide on reading a certificate of analysis walks through it line by line.

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