There's a lot of confusion around peptides and muscle. Here's how I actually think about it. Most peptides don't build muscle directly. They improve the systems that allow muscle to grow. First, L Glutathione (Reduced), 500 mg, 120 Veggie Capsules LGD 4033) Ligandrol Focal Point Vitality Sleep & Sculpt Peptide Therapy in Chicago CJC1295 + Ipamorelin at Better Med Spa IGF 1 LR3 Dosage Guide Muscle Growth Fat Loss Benefits PEP DOSE Amazon.com: Liposomal Glutathione 500mg Active Form L Glutathione (Reduced) for Maximum Absorption Made with Organic Whole Foods Master Antioxidant & Detoxifier Immune & Cardiovascular Support 120 count : Health & Household