muscle hardness (dense, dry, grainy look), you want peptides that improve GH release, IGF 1 activity, recovery, and nutrient partitioningnot just bulk size., Here are the 3 best peptides for muscle Follistatin 344 works by binding to and inhibiting myostatin the genetic limit switch that restricts how much muscle somebody can build. When you reduce myostatin, you create an environment where: Muscle Insulin Like Growth Factor 1 (IGF 1) and Its Monitoring in Medical Diagnostic and in Sports IGF 1, the Cross Road of the Nutritional, Inflammatory and Hormonal Pathways to Frailty Oxy Peptide Igf 1 lr3 1000mcg Injection, Color : White Powder at Rs 8500 in Pune