Think twice before injecting peptides bought online: unauthorized products can seriously harm you Canada.ca Most people hear not FDA approved and immediately think unsafe or ineffective but the reality is a lot more about economics than science. If something cant be patented, theres little incentive to New: An FDA decision to place 19 peptides on the unsafe list was supported by numerous documented safety concerns, former officials said. Even though demand for peptide therapies has exploded since then, Compounded "semaglutide" is not FDA approved semaglutide.com