Weight Loss
Retatrutide
Also known as: GLP3-R, LY3437943
Research use only. This protocol is compiled from published research literature and community documentation. It is for educational reference only and does not constitute medical advice.
Start Dose
2mg weekly SubQ
Begin here. Titrate conservatively based on response.
Standard Range
2mg → 12mg weekly. Titration: Weeks 1-4: 2mg. Weeks 5-8: 4mg. Weeks 9-12: 6mg. Weeks 13-16: 8mg. Weeks 17-20: 10mg. Weeks 21+: 12mg.
Titration Path
Start 2mg, titrate +1-2mg/4wk, max ~12mg
Cycle
24
Weeks On
0
Weeks Off
Continuous use acceptable.
Routes
subcutaneous
Titration schedule: Weeks 1-4: 2mg. Weeks 5-8: 4mg. Weeks 9-12: 6mg. Weeks 13-16: 8mg. Weeks 17-20: 10mg. Weeks 21+: 12mg.
Notes
Triple incretin agonist (GLP-1, GIP, Glucagon). ~24% average weight loss in trials. Best-in-class weight loss peptide.