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Muscle Growth
IGF-1 LR3
Molecular Weight
9117.5 Da
Half-Life
~20-30 hours
Dosing Protocol
20-60 mcg subcutaneous daily
Key Benefits
Muscle protein synthesisRecovery accelerationBody recompositionConnective tissue support
Mechanism of Action
Extended-acting IGF-1 analog. Promotes muscle protein synthesis, satellite cell activation, and hyperplasia via IGF-1R signaling.
Research Summary
Well-characterized growth factor with established role in muscle growth, tissue repair, and metabolic regulation.
Stacks Well With