Peptides are touted by biohackers and RFK Jr. Are they safe? BPC 157 has already hit the mainstream, but should it hit your bloodstream? Is the lack of human data in BPC 157 a red flag? If a drug could actually knit torn tendons back together in weeks, a trillion dollar pharmaceutical industry probably wouldn't bury BPC 157: Experimental Peptide Creates Risk for Athletes Injectable peptides touted as new fountain of youth. But the science isn't there CBC Radio