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★ = FDA-approved medical indication
Not medical advice — always consult a clinician
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

Tirzepatide

Also known as: Mounjaro / Zepbound
FDA-Approved

Tirzepatide is a first-in-class dual GIP and GLP-1 receptor agonist approved for type 2 diabetes and chronic weight management.

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Overview

Tirzepatide is a first-in-class dual GIP and GLP-1 receptor agonist approved for type 2 diabetes and chronic weight management.

FDA Approval Status

Approved by the FDA for at least one medical indication (see approved uses below).

Mechanism of Action

Co-agonism of GIP and GLP-1 receptors enhances insulin secretion, suppresses appetite, and improves lipid handling.

Current Research

SURPASS and SURMOUNT trial programs demonstrated superior weight and glycemic outcomes.
Research strength: Strong

Potential Medical Uses

  • Type 2 diabetes
  • Chronic weight management

Potential Benefits

  • Substantial A1C and weight reductions
  • Improved cardiometabolic markers

Known Side Effects

  • Nausea
  • Diarrhea
  • Constipation
  • Injection-site reactions

Contraindications

  • MTC/MEN 2 history
  • Hypersensitivity

Drug Interactions

  • Insulin/sulfonylureas
  • Oral contraceptives (advise backup for oral pills)

Administration Methods

  • Subcutaneous injection weekly

Half-life

~5 days

Reconstitution

Prefilled pen; no reconstitution.

Storage & Handling

Refrigerate; may be kept at room temperature briefly per label.

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.