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All Comparisons

Retatrutide vs Survodutide

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

Retatrutide: BSurvodutide: B
AttributeRetatrutideSurvodutide
CategoryMetabolic / Triple AgonistMetabolic / Dual Agonist
Evidence RatingB — Phase III / NDA FiledB — Phase III / NDA Filed
Clinical StatusPhase 3 clinical trials (Eli Lilly TRIUMPH program)Phase 3 clinical trials for MASH and obesity (Boehringer Ingelheim)
MechanismRetatrutide simultaneously activates three receptors: GLP-1 (reduces appetite, slows gastric emptying, improves insulin secretion), GIP (enhances insulin sensitivity, glucose control), and glucagon (increases energy expenditure, fat oxidation, thermogenesis). This triple synergy combines reduced cal...Survodutide simultaneously activates glucagon receptors (increasing hepatic fat oxidation, energy expenditure, and thermogenesis) and GLP-1 receptors (reducing appetite, slowing gastric emptying, improving insulin secretion). The glucagon component specifically drives hepatic lipid mobilization — bu...
Half-Life~6 days (allows once-weekly dosing)~5-6 days (allows once-weekly dosing)
BioavailabilitySC injection—
Molecular Weight——
WADA StatusNot ProhibitedNot Listed
Research Half-Life~6 days (allows once-weekly dosing)~5-6 days (allows once-weekly dosing)
Key Use Cases
  • Weight Management
  • Metabolic Health
  • Weight Management
  • Metabolic Health
Safety Concerns
  • GI side effects (dose-related, 13-63% across dose groups): nausea, vomiting, diarrhea, constipation; mostly mild to moderate
  • GI events partially mitigated with lower starting dose (2 mg vs 4 mg initial dose)
  • Dose-dependent heart rate increases peaking at 24 weeks, declining thereafter
  • GI adverse events (nausea, vomiting, diarrhea) similar to other incretin-based therapies
  • Heart rate increases observed (class effect)
  • Dose-dependent tolerability — titration essential
Contraindications
  • Not yet established -- product is investigational
  • Likely similar to GLP-1 class: personal/family history of medullary thyroid carcinoma, MEN2 (precautionary)
  • Pregnancy (based on GLP-1 class)
  • Monitoring recommended for muscle mass, bone density, GI motility per GLP-1 class concerns
  • Not established (investigational)
  • Likely similar to GLP-1 class: MTC history, MEN2, pregnancy
Regulatory (US)Not FDA-approved. Phase 3 TRIUMPH program ongoing (Eli Lilly). TRIUMPH-4 reported 28.7% body weight loss at 12 mg over 68 weeks. Seven Phase 3 readouts expected in 2026. Regulatory submission expected 2026; approval anticipated 2027-2028.Not FDA-approved. Phase 3 trials ongoing for MASH and obesity. Breakthrough therapy designation for MASH.

Research Material Specifications

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

SpecificationRetatrutideSurvodutide
Purity Standard>99%>99%
CAS Number2381089-83-2—
Molecular FormulaC₂₂₁H₃₄₂N₄₆O₆₈—
Available Formats20mg, 10mg, 5mg, 30mg10mg
Batch COAs Published1 on file—
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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