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GLP3-R

Price range: $139.99 through $379.99

Triple Receptor Research Peptide

GLP-3-R is an investigational synthetic peptide designed as a triple receptor agonist targeting GLP-1, GIP, and glucagon receptors. In controlled clinical and preclinical research settings, it has been evaluated for its activity within metabolic signaling pathways, appetite-related signaling mechanisms, and coordinated energy balance processes.

Current research literature describes its interaction with multiple hormonal receptor systems involved in metabolic regulation and energy homeostasis. Observed outcomes in study environments have included changes in biomarkers associated with metabolic function and body weight parameters; however, these findings are limited to controlled research contexts.

All products are independently tested in certified U.S. laboratories to confirm identity, purity, and safety.
Our peptides are verified to exceed 99% purity for consistent and dependable research results

Price range: $139.99 through $379.99

Triple Receptor Research Peptide

GLP-3-R is an investigational synthetic peptide designed as a triple receptor agonist targeting GLP-1, GIP, and glucagon receptors. In controlled clinical and preclinical research settings, it has been evaluated for its activity within metabolic signaling pathways, appetite-related signaling mechanisms, and coordinated energy balance processes.

Current research literature describes its interaction with multiple hormonal receptor systems involved in metabolic regulation and energy homeostasis. Observed outcomes in study environments have included changes in biomarkers associated with metabolic function and body weight parameters; however, these findings are limited to controlled research contexts.

Peace of Mind Guarantee

All products are independently tested in certified U.S. laboratories to confirm identity, purity, and safety.
Our peptides are verified to exceed 99% purity for consistent and dependable research results
Every order is processed and shipped within the United States to maintain quality and reliability.

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HCG

Triple Receptor Research Peptide

GLP-3-R is an investigational synthetic peptide designed as a triple receptor agonist targeting GLP-1, GIP, and glucagon receptors. In controlled clinical and preclinical research settings, it has been evaluated for its activity within metabolic signaling pathways, appetite-related signaling mechanisms, and coordinated energy balance processes.

Current research literature describes its interaction with multiple hormonal receptor systems involved in metabolic regulation and energy homeostasis. Observed outcomes in study environments have included changes in biomarkers associated with metabolic function and body weight parameters; however, these findings are limited to controlled research contexts.

Due to its multi-receptor design, GLP-3-R represents a category of investigational peptide research focused on integrated hormonal signaling systems. It is intended strictly for research purposes and not for human consumption, therapeutic use, or clinical application outside approved research environments.

Scientific Background

GLP-3-R is structurally designed to interact with three key receptor systems involved in metabolic control:

  • GLP-1 receptor pathways, associated with glucose regulation and appetite signaling
    GIP receptor pathways, studied for their role in insulin modulation and nutrient response
    Glucagon receptor pathways, involved in energy expenditure and metabolic balance

In controlled clinical research models, triple agonist peptides such as GLP-3-R have demonstrated significant engagement across these pathways, leading to measurable metabolic and weight-related outcomes under supervised study conditions.

Research Context

Clinical trials evaluating GLP-3-R have examined:

  • Regulation of appetite signaling networks
    • Modulation of glucose metabolism pathways
    • Alterations in body weight dynamics
    • Energy expenditure and metabolic adaptation mechanisms

Published trial data suggest that multi-receptor agonism may produce amplified metabolic signaling effects compared to single-pathway peptides in structured research environments.

Because of this integrated mechanism, GLP-3-R has become a subject of interest in advanced metabolic research programs exploring next-generation peptide signaling systems.

Molecular Profile

Peptide Classification: Triple receptor agonist
Target Systems: GLP-1, GIP, glucagon receptors
Structure Type: Synthetic long-acting peptide analog
Research Category: Investigational metabolic signaling peptide

GLP-3-R remains under active clinical investigation and is not approved for general clinical use outside regulated research settings.

Research Applications

GLP-3-R has been studied in controlled research frameworks involving:

  • Multi-pathway metabolic signaling
    • Energy balance and expenditure models
    • Appetite regulation systems
    • Hormonal cross-talk investigation
    • Advanced obesity and metabolic research programs

Its triple agonist structure makes it particularly relevant in research exploring coordinated endocrine signaling networks.

Frequently Asked Questions

What makes GLP-3-R different from other metabolic peptides?
GLP-3-R is designed to activate three receptor systems simultaneously, rather than targeting a single pathway. This multi-receptor approach is a focus of ongoing clinical investigation.

Why are triple agonist peptides being studied?
Researchers are examining whether coordinated receptor activation may produce amplified or synergistic effects across metabolic signaling pathways compared to single-receptor peptides.

How does GLP-3-R differ from GLP-1–only research peptides?

Unlike peptides that target only the GLP-1 receptor, GLP-3-R is designed to engage three receptor systems. This broader interaction profile is the focus of ongoing metabolic research.

What makes GLP-3-R a focus of current metabolic research?

Its multi-receptor design and clinical trial outcomes have positioned it as a subject of interest in advanced research exploring next-generation metabolic peptide therapies.

Referenced Citations

Jastreboff AM, Kaplan LM, Frías JP, Wu Q, Du Y, Gurbuz S, Coskun T, Haupt A, Milicevic Z, Hartman ML; GLP-3-R Phase 2 Obesity Trial Investigators. Triple-Hormone-Receptor Agonist GLP-3-R for Obesity – A Phase 2 Trial. N Engl J Med. 2023 Aug 10;389(6):514-526. doi: 10.1056/NEJMoa2301972. Epub 2023 Jun 26. PMID: 37366315.

Rosenstock J, Frias J, Jastreboff AM, Du Y, Lou J, Gurbuz S, Thomas MK, Hartman ML, Haupt A, Milicevic Z, Coskun T. GLP-3-R, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetes: a randomised, double-blind, placebo and active-controlled, parallel-group, phase 2 trial conducted in the USA. Lancet. 2023 Aug 12;402(10401):529-544. doi: 10.1016/S0140-6736(23)01053-X. Epub 2023 Jun 26. PMID: 37385280.

Compliance Notice

This product is intended strictly for laboratory research and scientific investigation purposes only. GLP-3-R and its individual peptide components are not approved by the United States Food and Drug Administration for human or veterinary use. They are not intended for use as drugs, dietary supplements, cosmetics, or food products.

Our products are produced using a freeze-drying process (lyophilization), which helps maintain their integrity and stability during transit, typically for up to 3–4 months.

After the peptides are reconstituted (mixed with bacteriostatic water), they should be kept refrigerated to preserve their quality. Once in liquid form, they generally remain stable for up to 30 days when stored properly.

Lyophilization—also referred to as cryodesiccation—is a dehydration method where the material is first frozen and then exposed to low pressure. This allows moisture to transition directly from solid to vapor, leaving behind a dry, stable compound in the form of a light, crystalline powder. In this state, the product can be kept at room temperature until it is ready to be reconstituted.

Upon receiving your peptides, it is recommended to protect them from heat and light exposure. For short-term use (ranging from a few days to several weeks), refrigeration below 4°C (39°F) is suitable. Lyophilized products can also tolerate room temperature storage for a limited period if they will be used relatively soon.

For extended storage—spanning several months or longer—freezing is advised. Ideally, peptides should be kept at approximately -80°C (-112°F) to best maintain long-term stability

From Synthesis to Delivery

The Peptide Manufacturing
Process — 9 Steps

A precision-driven journey from pharma-grade raw materials to your doorstep, ensuring the highest purity, stability, and quality at every stage.

01 Phase 1 — Synthesis
Step 01
Pharma-Grade Raw Materials
Every peptide begins with high-purity, pharma-grade amino acid building blocks sourced from trusted suppliers. Using premium raw materials ensures the synthesis process starts with the highest possible quality foundation.
01
Step 02
Precision Peptide Chain Assembly (SPPS)
Peptides are constructed using Solid Phase Peptide Synthesis (SPPS), where amino acids are sequentially added to a resin-bound chain. This controlled process allows precise formation of the peptide sequence with high accuracy.
02
Step 03
Controlled Resin Cleavage
Once synthesis is complete, the finished peptide chain is carefully separated from the solid resin support. This controlled cleavage step releases the peptide while preserving structural integrity.
03
Step 04
Primary Peptide Recovery
The crude peptide is isolated from the reaction mixture and collected. This stage removes bulk reaction solvents and prepares the material for advanced purification.
04
02 Phase 2 — Purification & Testing
Step 05
Advanced HPLC Purification
High-Performance Liquid Chromatography (HPLC) is used to separate the target peptide from impurities and incomplete fragments. This purification step ensures high peptide purity and consistency.
05
Step 06
Analytical Identity & Purity Verification
Each batch undergoes analytical testing such as HPLC and mass spectrometry to confirm molecular identity and verify purity levels before proceeding to the final stages.
06
03 Phase 3 — Stability & Delivery
Step 07
Stability-Preserving Lyophilization
The purified peptide solution is freeze-dried (lyophilized) into a stable powder form. This process improves shelf life, preserves molecular structure, and allows long-term storage.
07
Step 08
Sterile Vialing & Medical-Grade Storage
Peptides are filled into sterile laboratory vials and stored under controlled low-temperature conditions to maintain stability, purity, and product integrity.
08
Step 09
Express US Shipping (2–3 Days)
Orders are securely packaged and shipped through trusted domestic carriers, ensuring fast and reliable delivery across the United States within 2–3 business days.
09

Research Use Only

All products on this site are for research and development use only. Products are not for human consumption of any kind. The statements made on this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure, or prevent any disease.
West Peptides is a chemical supplier. West Peptides is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic Act. West Peptides not an outsourcing facility as defined under 503B of the Federal Food, Drug, and Cosmetic Act.
All products are sold for research, laboratory, or analytical purposes only, and are not for human consumption.
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