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Survodutide

Survodutide is an experimental drug that activates both glucagon and GLP-1 receptors. Boehringer Ingelheim develops it under a license from Zealand Pharma. It is injected under the skin and is in phase 3 trials for obesity, type 2 diabetes and MASH, a form of fatty liver disease. It is not approved anywhere.

In clinical trialsWADA Not named; as an unapproved drug it falls under S0 (prohibited at all times)Checked October 2026
Open the Survodutide calculatorSources

Approval status

Not approved anywhere. Phase 3 results in obesity, type 2 diabetes and fatty liver disease were published in 2026, and Zealand Pharma said in May 2026 that they may support regulatory submissions in 2026. For MASH, the FDA has given it Breakthrough Therapy designation and the EMA has given it PRIME status.456789

What it’s used or studied for

  • Human studies

    Weight loss in adults with obesity or overweight without diabetes (SYNCHRONIZE-1 phase 3 trial).47

  • Human studies

    Weight loss and lower HbA1c in adults with obesity or overweight and type 2 diabetes (SYNCHRONIZE-2 phase 3 trial).8

  • Human studies

    Less liver fat and lower weight in adults with obesity and fatty liver disease (SYNCHRONIZE-MASLD phase 3 trial).9

  • Human studies

    Improved MASH (fatty liver inflammation) without worsening liver scarring in a phase 2 biopsy trial; phase 3 MASH trials are ongoing.410

Each label shows how strong the evidence is: an approved use, human studies, animal or lab studies only, or a popular claim with no published studies. Being studied is not the same as being proven safe or effective.

Side effects

Common

  • Nausea
  • Diarrhea
  • Vomiting

There is no approved label; these come from trials. In SYNCHRONIZE-1, stomach and bowel symptoms affected 81% to 90% of people on survodutide versus 48% on placebo, mostly mild to moderate. Stopping because of side effects was more common while the dose was being raised.4710

Cautions

  • FDA has warned companies that illegally sold survodutide falsely labeled “for research purposes” or “not for human consumption.”11

What it’s made of

Type
Peptide
Length
29 amino acids, plus a side-chain linker
Modifications
1-aminocyclobutanecarboxylic acid at position 2; Lys24 carries a C18 fatty diacid through a gamma-Glu-Gly-Ser-Gly-Ser-Gly-Gly linker; C-terminal amide
Formula
C192H289N47O61
Molar mass
4231.6 g/mol

A lab-made peptide classed as an oxyntomodulin analog. Oxyntomodulin is a gut hormone that acts on both glucagon and GLP-1 receptors.123

This page summarizes published information. It is not medical advice and doesn’t recommend using any compound. Many of these compounds are sold for research only. Talk to a licensed clinician.

Sources

  1. KEGG DRUG: Survodutide (D12898)
  2. FDA Global Substance Registration System (GSRS): Survodutide
  3. Zimmermann T et al. BI 456906: discovery and preclinical pharmacology of a novel GCGR/GLP-1R dual agonist (Mol Metab, 2022)
  4. Boehringer Ingelheim: Results from Phase III SYNCHRONIZE-1 obesity trial, 28 April 2026
  5. Zealand Pharma: Q1 2026 results presentation, 7 May 2026
  6. WADA 2026 Prohibited List
  7. le Roux CW et al. Survodutide once weekly for the treatment of adults with obesity (SYNCHRONIZE-1) (N Engl J Med, 2026)
  8. Wharton S et al. Survodutide once weekly in adults with obesity and type 2 diabetes (SYNCHRONIZE-2) (N Engl J Med, 2026)
  9. Kaplan LM et al. Survodutide in adults with obesity and metabolic dysfunction-associated steatotic liver disease (SYNCHRONIZE-MASLD) (Nat Med, 2026)
  10. Sanyal AJ et al. A phase 2 randomized trial of survodutide in MASH and fibrosis (N Engl J Med, 2024)
  11. FDA: FDA's concerns with unapproved GLP-1 drugs used for weight loss (content current as of 1 October 2026)

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