IGF-1 LR3 vs Survodutide
Side-by-side comparison of key properties, dosing, and research.
Anabolic & IGF
IGF-1 LR3GLP-1 / Weight Loss Agonists
Survodutide- Summary
- IGF-1 LR3 is a synthetic analog of Insulin-like Growth Factor-1 with an extended half-life. It is one of the most potent anabolic peptides available, directly stimulating muscle cell hyperplasia and hypertrophy, and is the downstream mediator of many of GH's anabolic effects.
- Survodutide is a once-weekly GLP-1/glucagon dual receptor agonist developed by Boehringer Ingelheim and Zealand Pharma. Phase 2 trials demonstrated up to 18.7% body weight reduction at 46 weeks, among the highest reported for a dual agonist. It is being studied for obesity and MASH (metabolic dysfunction-associated steatohepatitis), where the glucagon component drives hepatic fat clearance.
- Half-Life
- 20–30 hours
- ~7 days
- Admin Route
- SubQ, IM
- SubQ
- Research
- —
- —
- Typical Dose
- 40–80 mcg
- 0.6 mg → 2.4 mg → 4.8 mg → 6 mg
- Frequency
- Once daily or split twice daily
- Once weekly
- Key Benefits
- Direct muscle hypertrophy via IGF-1R stimulation
- Muscle hyperplasia (new fiber formation) — unique among peptides
- Rapid gains in lean muscle mass
- Accelerated recovery from training and injury
- Increased nutrient uptake by muscle cells
- Fat oxidation enhancement
- Bone density improvement
- Cartilage and connective tissue repair
- Up to 18.7% body weight reduction at 46 weeks (Phase 2)
- Strong MASH activity — Phase 3 SYNCHRONIZE-NASH trials ongoing
- Reduces hepatic fat content via glucagon receptor-driven liver oxidation
- Once-weekly subcutaneous injection
- Greater weight loss potential than GLP-1 monotherapy
- Improvements in liver fibrosis markers in early data
- Side Effects
- Hypoglycemia (significant risk — insulin-like activity)
- Acromegaly-like effects with excessive long-term use
- Jaw and hand swelling
- Organ hypertrophy with extreme doses
- +2 more
- Nausea (most common during titration)
- Vomiting
- Diarrhea
- Decreased appetite
- +3 more
- Stacks With
- —
- —