Buy IGF-1 online IGF-1 is the abbreviation for Insulin-Like Growth Factor 1. This is a naturally occurred long-chain polypeptide protein hormone and not a dangerous steroid. IGF-1 has molecular structure, which is quite similar to insulin. IGF-1 plays a vital role in childhood growth, especially bones and stimulates anabolic effects (muscle growth) in adults. IGF-1 greatly boosts muscle mass by inducing a state of muscle hyperplasia (increase in number of new muscle cells) in the body Long R3 IGF-1 is a more potent version of IGF-1. It’s chemically altered to… Read More »