LONGR3 IGF I Liquid Repligen IGF 1 LR3 99%+ Pure Peptide Amino Club Amino Club What is IGF 1 LR3?, Insulin Like Growth Factor 1 Long R3 (IGF 1 LR3) is a modified version of IGF 1 with a longer half life, making it significantly more potent and effective for muscle growth, My guyyyyyy @healthyheadstrongbody Andrew and I started working together on 5 21 25 with his initial macros below! Starting Macros: Calories: ~2,700 day Protein: 230g Carbs: 250g (cycled) Fats: 80g Carb Cycling: 4 moderate days Sustained Release of Insulin Like Growth Factor 1 from Bombyx mori L. Silk Fibroin Delivery for Diabetic Wound Therapy Attenuated glucose stimulated insulin secretion during an acute IGF 1 LR3 infusion into fetal sheep does not persist in isolated islets Journal of Developmental Origins of Health and Disease Cambridge Core