There's a certain point where optimization starts looking a lot like experimentation. And peptides are drifting into that territory fast. Right now, social media is flooded with conversations about BPC 157, TB 500, and Pillar[5]arene Based Fluorescent Sensor Array for Biosensing of Intracellular Multi neurotransmitters through HostGuest Recognitions Journal of the American Chemical Society BPC 157: The peptide with big claims and scant evidence STAT When an obscurity becomes trend: social media descriptions of tianeptine use and associated atypical drug use