IGF LR3
IGF-1 LR3 is a synthetic, elongated analog of Insulin-Like Growth Factor-1 that incorporates an arginine substitution at position 3 and a 13 amino acid extension at the N-terminus. These structural modifications reduce its binding affinity to IGF-binding proteins by over 1000-fold compared to native IGF-1, while maintaining full receptor activation potency — resulting in a dramatically extended half-life of approximately 20 to 30 hours and a systemic, rather than localised, anabolic effect.
The extended half-life and systemic action of IGF-1 LR3 enable it to promote muscle protein synthesis, nitrogen retention, satellite cell activation, and nutrient uptake across all skeletal muscles rather than only at the injection site. This makes it fundamentally different from IGF-1 DES, which acts locally, and positions IGF-1 LR3 as the compound of choice for athletes seeking overall muscle hypertrophy and body composition improvement.
IGF-1 LR3 is most effectively used immediately post-workout to capitalise on the anabolic window created by training-induced muscle damage and elevated muscle insulin sensitivity. It is commonly incorporated into advanced anabolic protocols alongside HGH, insulin, and anabolic steroids for comprehensive anabolic synergy, and must be used with careful attention to hypoglycaemia risk and appropriate dietary carbohydrate timing.
| Details | Information |
|---|---|
| API | IGF-1 LR3 (Long Arg3 IGF-1) |
| Strength | 0.1 MG per Vial |
| Format | Lyophilised Peptide |
| Volume | 1 Vial |
| Category | Muscle Growth / Anabolic Peptide |
| Usage | Intramuscular Injectable |
Disclaimer: Above mentioned information is for educational and reference purposes only. Consult a registered healthcare professional for a proper course of medication. These statements have not been evaluated by the Food and Drug Administration. This product shall only be available on a prescription from a registered healthcare professional.
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