Peptides are having a moment. Influencers and wellness clinic doctors are selling experimental peptides as the next biohacking frontier for muscle, recovery, sleep, libido, longevity, you name it. CJC 1295. Ipamorelin. BPC 157. Tolerance and Tachyphylaxis Drug Tolerance Drug Tachyphylaxis Pharmacology Made Easy Identification, characterization, and structure activity relationship of the ASIC3 selective peptide WRPRFa Communications Chemistry Intermediate Cu(II) Thiolate Species in the Reduction of Cu(II)GHK by Glutathione: A Handy Chelate for Biological Cu(II) Reduction Inorganic Chemistry