Yes, HGH injections are legal when prescribed by a licensed medical professional. The FDA has approved certain HGH products for specific medical uses like growth hormone deficiency in children and muscle-wasting disease in adults. However, off-label uses of HGH for anti-aging, bodybuilding, or athletic performance enhancement are illegal. When taken correctly under medical supervision, HGH injections are generally considered safe, although side effects like joint pain, carpal tunnel syndrome, and increased diabetes risk may occur. It's vital to consult with a trusted M.D. about your individual risks.