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US FDA is expected to lift restriction on certain peptides, NYT reports

By Thomson Reuters Mar 31, 2026 | 9:26 AM

March 31 (Reuters) – The U.S. Food and Drug Administration is moving toward allowing compounding pharmacies to produce more ​than a dozen injectable peptides that ‌were banned because of potentially significant safety risks, the New York Times reported on Tuesday, citing a senior administration official.

The Department of Health ‌and ​Human Services did not ⁠immediately respond to ⁠a Reuters request for comment.

The FDA in 2023 removed 14 peptides from a list of products that it allows compounding ​pharmacies to produce. The compounded peptides were commonly used in wellness, integrative ⁠medicine and sports medicine.

The ⁠agency had said the move ​was based on significant safety risks including risks ​related to immunogenicity, toxicity and impurity ‌of the peptides.

Health Secretary Robert F. Kennedy Jr. has publicly backed the use of peptides, saying on a recent podcast ⁠that he is a “big fan of peptides” and that he has used it himself with “really good ⁠effect.”

Peptides ‌are short chains of amino ⁠acids, or fragments of larger ​proteins.

Peptides ‌occur naturally in the body. Insulin, ​a ⁠51‑amino‑acid peptide hormone that regulates blood sugar, was the first peptide to be synthesized outside the body and developed as a medicine.

(Reporting by Sneha S K; Editing by ​Devika Syamnath)