Comparison
Eloralintide vs. Retatrutide
Two peptides side-by-side — identity, evidence base, legal status and known adverse events.
Identity
Category
Metabolic
Metabolic
CAS no.
no data
2381089-83-2
Molecular weight
no data
4731.6 g/mol
Half-life
no data
144 h
Sequence
no data
Y-Aib-EGTFTSDYSIYLDKQAAQDFVQWLLDTGPSSGAPPPSMechanism of action
Eloralintide
Eloralintide selectively activates amylin receptors (preferentially AMY1R) and promotes satiety. The approach targets weight loss via the amylin axis, complementary to or independent of GLP-1 agents.
Retatrutide
Retatrutide is a 39-amino-acid peptide with agonism at three incretin/energy-balance receptors: GLP-1R (insulin secretion, satiety), GIPR (insulin sensitivity, lipid metabolism) and the glucagon receptor (energy expenditure, lipolysis). The added glucagon activation is intended to raise catabolic energy expenditure while concurrent GLP-1/GIP action compensates the hyperglycaemic effect. Albumin binding via a fatty-acid side chain enables weekly dosing.
Evidence base
Highest evidence
Human RCT
Human RCT
Studies
2
5
of which in humans
1
4
Effects recorded
2
4
Open conflicts
0
1
Documented adverse events
1
2
Legal status
Full entries
Frequently asked questions
- What is the difference between Eloralintide and Retatrutide?
- Eloralintide is classified as "Metabolic", while Retatrutide is classified as "Metabolic". Eloralintide: Eloralintide is a selective, long-acting amylin receptor agonist from Eli Lilly for once-weekly subcutaneous use — under investigation for obesity, alone and combined with incretin therapy. Retatrutide: Synthetic triagonist peptide that simultaneously activates the GLP-1, GIP and glucagon receptors. Developed by Eli Lilly; in phase-3 trials for obesity (TRIUMPH programme) and type 2 diabetes. No marketing approval yet. This page contrasts both neutrally and source-based — with no usage or dosing recommendation.
- Which peptide is better supported by science, Eloralintide or Retatrutide?
- The highest available evidence level is "Human RCT" for Eloralintide and "Human RCT" for Retatrutide. A higher evidence level means more robust data, but says nothing about suitability for an individual. The full body of evidence is on each peptide's own page.
- What is the legal status of Eloralintide and Retatrutide in Germany and the United States?
- Germany: Eloralintide — Unapproved, Retatrutide — Unapproved. United States: Eloralintide — Unapproved, Retatrutide — Unapproved. These are factual summaries with source and review date on the individual pages.