IGF 1 LR3 Dosage Guide: Benefits, Timing, and Results i313 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 A peptide cycle length is how long you use a peptide before pausing or reassessing. , Too short and you wont see full results. Too long and your body adapts, making it less effective. , Every IGF1 LR3 Peptide Anderson Longevity Clinic