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.
A series of lawsuits has created a new de facto regulatory regime as courts order companies like Meta and Google to change their business practices — and pay up.
Meta’s chief executive, Mark Zuckerberg. On Wednesday, a New Mexico judge ordered Meta to pay a record $25 billion penalty for abusing consumer privacy.
The penalty, one of the largest levied against a tech giant, stemmed from a lawsuit by New Mexico claiming the social media company had misled users about their data privacy.