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FDA scientists opposed Trump administration’s move to ease peptide access

FDA scientists opposed Trump administration’s move to ease peptide access

theguardian.com 28.10.2026 19:35 5 views
Effort to loosen rules on unproven peptide drugs, favored by RFK Jr, faced fierce pushback from agency scientistsA plan to give people in the United States easier access to unproven peptide drugs favored by the US health

A plan to give people in the United States easier access to unproven peptide drugs favored by the US health secretary, Robert F Kennedy Jr, was opposed by most Food and Drug Administration scientific staff members, who had limited input in drafting the policy, according to six people familiar with its development. The document posted online on Wednesday by Kennedy’s Department of Health and Human Services (HHS) covers a handful of injectable peptides promoted within the wellness industry for building muscle, healing injuries and boosting energy. The effort on peptides, driven almost entirely by HHS, faced overwhelming pushback among FDA drug staffers who warned it could undermine the agency’s longstanding mission of keeping unproven health products off the US market, according to the people familiar with its development.

The people spoke to the on the condition of anonymity to discuss confidential government deliberations. An HHS spokesperson did not immediately respond to a request for comment. The policy directs the FDA not to take action against specialty pharmacies that sell a half-dozen wellness peptides, including BPC-157, TB-500 and KPV.

Under FDA rules, those chemicals would otherwise be considered illegal drugs because they have not gone through the agency’s rigorous review process for safety and effectiveness. Some peptides occur naturally in the human body, where they trigger hormones needed for growth, metabolism and healing. Drug companies have brought several to market as medications, including mainstay treatments for diabetes and weight loss.

But the chemicals subject to the new policy haven’t been approved as safe and effective by the FDA. Kennedy has called himself a “big fan” of peptides and recently described using BPC-157 to treat a muscle injury. The new document represents a step back from HHS’s original plans, according to two of the people who discussed its development.

HHS officials initially wanted the FDA to draft an official regulation that would add BPC-157 and other peptides to a list of drug substances deemed safe for use by compounding pharmacies, specialty businesses that make customized medications. FDA officials warned that the agency’s scientific staffers had major safety concerns and would not support a regulation deeming them safe. HHS officials moved to a different approach that directs the FDA not to enforce its rules against pharmacies that compound the substances.

FDA staffers ultimately provided technical assistance in drafting the HHS plan, including guardrails intended to improve safety, such as requiring pharmacies to use peptide ingredients from FDA-registered factories. Decisions over compounding have long rested with the FDA, not HHS. Kennedy has said that US compounding pharmacies must be allowed to sell peptides because Americans are turning to “gray market” products imported from China and other countries.

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