Headache is reported by some patients and may be related to dehydration from gastrointestinal side effects or direct pharmacological effects
doi: 10.3389/fpsyt.2025.1626103 Received 13 May 2025 Accepted 27 October 2025 Published 17 November 2025 Volume 16 - 2025 Edited by Luciane Cruz Lopes, University of Sorocaba, Brazil Reviewed by Raffaele Carraro, La Princesa University Hospital, Spain Kyle Valentino, University of Toronto, Canada Updates Copyright 2025 Yu, Huang, Lo, Huang, Yang and Kornelius
Beware unverified health claims and unregulated off-label use As with any drug, it's important to remember that there are no magic bullets, and any study suggesting that the newest hot product clears brain fog or fights cancer requires confirmation by other independent researchers
Besides the fact that most of these peptides dont have FDA approval, what concerns do many doctors have about them