In the era of Make America Healthy Again, the popularity of peptidesshort chains of amino acids that often act as signalling molecules in the bodyhas risen sharply. Many compounding pharmacies, which produce Injectable peptides touted as new fountain of youth. But the science isn't there CBC Radio People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian The Wolverine stack: Benefits, side effects and legality