Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body. Frontiers Copper toxicity and deficiency: the vicious cycle at the core of protein aggregation in ALS Subcutaneous Injection: What It Is and How to Give One GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Injectable GHK Cu: Beginner's Guide to Copper Peptide