Tirzepatide
Tirzepatide
Also known as: Mounjaro, Zepbound, LY3298176
Overview
Key Facts
Primary Goal: Research and therapeutic applications of Tirzepatide
Dual agonism of GIP and GLP-1 receptors for synergistic metabolic effects. Enhances glucose-dependent insulin secretion via both incretin pathways.
Dosing Information
~5 days
2.5–15 mg
Once weekly
Ongoing / indefinite under medical supervision
Benefits
- Industry-leading weight loss (up to 22% body weight in trials)
- Superior glycemic control vs GLP-1 agonists alone
- Improved insulin sensitivity
- Reduction in liver fat and inflammation
- Favorable cardiovascular risk profile
- Improved triglycerides and lipid markers
Side Effects
Mechanism of Action
Dual agonism of GIP and GLP-1 receptors for synergistic metabolic effects
Enhances glucose-dependent insulin secretion via both incretin pathways
Slows gastric emptying and reduces appetite centrally
Improves beta-cell function and insulin sensitivity in adipose tissue
Contraindications
Do not use this peptide if any of the following apply:
- Personal or family history of medullary thyroid carcinoma
- Multiple endocrine neoplasia syndrome type 2
- History of severe pancreatitis
- Severe renal impairment
Storage & Reconstitution
Unreconstituted (Powder)
Reconstituted (Mixed)
Research Summary
The SURMOUNT-1 trial showed tirzepatide 15 mg produced an average weight loss of 22.5% over 72 weeks in participants with obesity, with over one-third of participants achieving ≥25% weight loss. SURPASS trials demonstrated HbA1c reductions of up to 2.6% in type 2 diabetes. FDA-approved for both type 2 diabetes (Mounjaro) and chronic weight management (Zepbound).
Frequently Asked Questions
Common questions about Tirzepatide
UK-Specific Information
Exclusive data points and guidance for UK residents using Tirzepatide
UK Lab Testing
UK Lab Testing
Recommended labs: Medichecks, Thriva (£89-£149 for peptide safety panel)
Why this matters: UK-specific lab testing guidance not available on US competitor sites
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Note: Peptide stacking should only be done under the guidance of a qualified healthcare professional. Individual responses may vary.
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