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G3-R

Price range: $139.99 through $299.99
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G3-R takes the design one step further: three peptide families in one sequence, GLP-1, GIP and glucagon. Independently tested.

Products sold by KÖLD are for Research Use Only. Not intended for human or animal consumption, diagnosis, treatment, or prevention of disease.

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Product Disclaimer

Metabolic Research

Focused chemistry for metabolic signaling and energy regulation research.

Product Features

G3-R combines analogs of GLP-1, GIP, and GR, offering a unique format for exploring overlapping hormone systems in complex metabolic research. This triple agonist structure allows for broader investigation across appetite, insulin, and energy balance pathways.

Researchers often use G3-R in models focused on:

Simultaneous GLP-1, GIP, and GR receptor activation

Energy utilization in nutrient-rich or glucose-elevated conditions

Multi-phase incretin signaling and timing

Appetite feedback loops in high-complexity models

Each vial is produced in the United States and tested by third-party labs for purity, identity, and structural consistency.

G3-R is typically selected when standard single or dual agonist formats don’t capture the full hormonal picture.

1. What makes G3-R different from other incretin-related compounds?
It combines three key signaling targets: GLP-1, GIP, and GR. This format allows researchers to study their combined influence on appetite, glucose regulation, and energy balance in a single model.

2. What type of research uses a triple agonist format like G3-R?
G3-R is commonly studied in complex protocols involving multi-hormonal feedback, nutrient response timing, and glucose regulation across overlapping pathways.

3. Can G3-R be used alongside other compounds?
Yes. Some researchers include G3-R in combination protocols depending on study design. KÖLD does not provide dosing or experimental guidance. Refer to peer-reviewed studies.

4. Are KÖLD peptides intended for human use?
No. All products are strictly for laboratory research. They are not for human or veterinary consumption.

5. Where is G3-R manufactured?
In the United States. Each batch is produced under controlled conditions and tested by an independent lab to confirm identity, purity, and research-use classification.

Before Reconstitution

Store sealed vials in a freezer at -20°C (-4°F)

Protect from light and moisture

After Reconstitution

Refrigerate at 4°C (39°F)

Use within 14 days

Do not expose to repeated freeze-thaw cycles

This compound is supplied as a lyophilized powder.
Use KÖLD Solution (sterile, lab-grade solvent) if your protocol requires reconstitution.
Reconstitute only when ready to begin your study.
For research use only. Not for human or animal use.
Not intended to diagnose, treat, cure, or prevent any disease.

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“The level of trust and transparency behind this research material is unmatched. It gives me confidence in every study I run.”

Frequently Bought Together

Price range: $134.99 through $199.99
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KÖLD peptides

G3-R

Price range: $139.99 through $299.99
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