FOI release

Requesting information surrounding the research peptide Retatrutide.

Some or all of the information requested may not have been provided because we determined that the request was vexatious.

Case reference FOI2026/00224

Received 28 February 2026

Published 14 April 2026

Request

I would like all available information for the following: 1.) The regulations currently in place for the research peptide Retatrutide. 2.) Any information on human/animal trials of Retatrutide taking place. 3.) Any communications surrounding the use of Retatrutide on humans. 4.) Any information held about the Criminal Enforcement Unit seizing units of Retatrutide. 5.) Any communications about the sale of Retatrutide.

Response

See attached

Documents

• FOI2026_00224 (redacted).pdf (859.6 KB)

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