What is IGF-1 LR3?
IGF-1 LR3 is a changed, longer-lasting version of IGF-1 (insulin-like growth factor 1, a growth signal the liver makes). It was built to dodge the proteins that normally clear natural IGF-1 from the blood quickly. In animal research it is studied for muscle growth and repair, by waking up muscle stem cells. This site's review found no studies in people for it, only animal and lab data. It is not FDA approved.
Studies in people from the compound pages this answer belongs to
Educational use only. This database summarizes published research and is not medical advice. Where a dose appears it is a record of what a trial or clinic ran, or what people describe doing, with its source attached. Nothing here is a recommendation for personal use.
Part of growth hormone secretagogues. Sermorelin, tesamorelin, ipamorelin, CJC-1295, and the rest of the GHRH and ghrelin receptor family.