RFK Jr. to Allow Broad Use of Unapproved Peptide Injections

In a unilateral declaration by the health secretary, several injections promoted by online influencers will become widely available. The F.D.A. had advised against the move.Peptides are short chains of amino acids that give the body basic instructions. While the F.D.A. has approved some peptide compounds, such as insulin to manage diabetes, many others lack scientific evidence of efficacy or safety.