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All Comparisons

Tirzepatide vs Mazdutide

Research material comparison: purity standards, available formats, molecular data, batch COA documentation, and regulatory status. For in vitro research use only.

Tirzepatide: AMazdutide: C
AttributeTirzepatideMazdutide
CategoryMetabolic / Dual GIP-GLP-1 AgonistMetabolic / Dual GLP-1/Glucagon Agonist
Evidence RatingAFDA ApprovedCPhase I–II Clinical Trials
Clinical StatusFDA-approved (Mounjaro for T2D, Zepbound for obesity and OSA)Approved in China: June 2025 for chronic weight management, September 2025 for type 2 diabetes. Phase 2 trials running in the United States. Not approved outside China.
MechanismTirzepatide (MW ~4813 g/mol, C225H348N48O68) simultaneously activates both GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1) receptors. This dual agonism enhances glucose-dependent insulin secretion, suppresses glucagon, slows gastric emptying, increases satiety ...Mazdutide is a fatty acid-acylated peptide that activates both the GLP-1 receptor and the glucagon receptor. The GLP-1 receptor agonism provides glucose-dependent insulin secretion, glucagon suppression, gastric emptying delay, and appetite reduction — the same mechanisms as other GLP-1 agonists. Th...
Half-Life~5 days (116 hours)Suitable for once-weekly dosing (exact value not fully published)
Bioavailability~80% SC
Molecular Weight~4813.5 g/mol~4233.7 g/mol
WADA StatusNot ProhibitedNot Listed
Research Half-Life~5 days (116 hours)Suitable for once-weekly dosing (exact value not fully published)
Key Use Cases
  • Weight Management
  • Metabolic Health
  • Weight Management
  • Metabolic Health
Safety Concerns
  • Common (5%+ in trials): abdominal pain, burping, constipation, diarrhea, dyspepsia, fatigue, GERD, hair loss, hypersensitivity reactions, injection site reactions, nausea, vomiting
  • Serious but rare: pancreatitis, gallbladder events, dehydration leading to kidney problems
  • FDA boxed warning for thyroid C-cell tumors (rodent data); call doctor for neck lump, swallowing difficulty, hoarseness, or shortness of breath
  • Common: GI side effects including nausea, vomiting, diarrhea (similar to GLP-1 agonist class)
  • GI adverse events are dose-dependent and generally transient
  • Heart rate increase observed, consistent with GLP-1 agonist class effect
Contraindications
  • Personal or family history of medullary thyroid carcinoma (MTC)
  • Multiple Endocrine Neoplasia syndrome type 2 (MEN2)
  • Type 1 diabetes (not approved for this indication)
  • History of pancreatitis (safety not established)
  • Personal or family history of medullary thyroid carcinoma (class effect caution for GLP-1 agonists)
  • Multiple endocrine neoplasia syndrome type 2 (MEN2)
  • Known hypersensitivity to mazdutide
  • Pregnancy or breastfeeding (insufficient data)
Regulatory (US)FDA-approved: Mounjaro (T2D, adults and children 10+) and Zepbound (obesity/overweight with comorbidities, severe OSA including new sleep apnea approval). Compounding fully prohibited for 503B facilities. Prescription only.Not FDA-approved. Eli Lilly sponsored the first-in-human work as LY3305677 and US phase 2 trials are ongoing (NCT06124807, NCT06817356, NCT05623839). Innovent holds China rights and runs the IBI362 programme there.

Research Material Specifications

Catalog specifications for the corresponding research materials, including batch documentation coverage.

SpecificationTirzepatideMazdutide
Purity Standard≥98%≥98%
CAS Number2023788-19-2N/A
Molecular FormulaC₂₂₅H₃₄₈N₄₈O₆₈N/A
Available Formats10mg, 30mg10mg
Batch COAs Published
Stock StatusIn stockOut of stock

Research Disclaimer: This comparison is provided for educational purposes only. All products are sold exclusively for in vitro research use. The information presented is based on published preclinical and clinical research and does not constitute medical advice. Consult a qualified healthcare professional before making any decisions regarding peptide use.

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