Do Jintropin results outweigh risks? It depends on how seriously you take those risks. When accessing a number of bodybuilding websites, you’ll find recommendations for use of Jintropin and other forms of synthetic growth hormone injections. You might even find detailed instructions on exactly how to take Jintropin, measure, inject, and cycle. Does this make it safe? No. Find out more here. Jintropin HGH Side Effects Bodybuilders claim that Jintropin results or those associated with other forms of injected growth hormone can accelerate the speed at which new muscle growth is achieved. Often, bodybuilders combine HGH with other drugs including anabolic steroids like testosterone.