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★ = FDA-approved medical indication
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Evidence-based · Educational only
36+ Peptides indexed
Free research library
Free newsletter — subscribe below
★ = FDA-approved medical indication
Not medical advice — always consult a clinician
All peptides

Retatrutide

Also known as: LY3437943
Research / Investigational

Retatrutide is a novel triagonist under Phase III development targeting GIP, GLP-1, and glucagon receptors for obesity and type 2 diabetes.

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Overview

Retatrutide is a novel triagonist under Phase III development targeting GIP, GLP-1, and glucagon receptors for obesity and type 2 diabetes.

FDA Approval Status

Not approved by the FDA. Investigational or intended for research purposes only.

Mechanism of Action

Simultaneous agonism of GIP, GLP-1, and glucagon receptors enhances insulin sensitivity, appetite suppression, and energy expenditure.

Current Research

Phase II trials reported ~24% mean weight loss at 48 weeks; Phase III ongoing.
Research strength: Moderate

Potential Medical Uses

  • Investigational only

Potential Benefits

  • Substantial weight reduction in trials
  • Improved glycemic control

Known Side Effects

  • Nausea
  • Vomiting
  • Diarrhea
  • Elevated heart rate

Contraindications

  • MTC/MEN 2 history
  • Pregnancy

Drug Interactions

  • Insulin/sulfonylureas

Administration Methods

  • Subcutaneous injection weekly

Half-life

~6 days

Reconstitution

Investigational; supplied per trial protocol.

Storage & Handling

Refrigerated per protocol.

References & Sources

Frequently Asked Questions

Information on this page is educational and general in nature. It is not medical advice. Consult a qualified healthcare professional before making any medical decisions.