You've likely seen the rise in peptide products online. With the Therapeutic Goods Administration issuing a safety alert, we want to hear from you: Are peptides coming up more in your day to day IGF 1 LR3 does not promote growth in late gestation growth restricted fetal sheep American Journal of Physiology Endocrinology and Metabolism American Physiological Society IGF 1 LR3 The Muscle Building Peptide Everyone's Talking About IGF 1 LR3 is one of the most powerful performance peptides used for muscle growth, recovery, and fat loss. It's a modified version IG 1 Peptide Research Grade Beyond Peptides