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Dose Sensitivity: Achieving significant, sustained weight loss while staying on the lowest possible "starter" doses, never needing to titrate up to the maximum manufacturer-recommended levels. The Genetic "Sweet Tooth" Discovery For years, doctors wondered why two people of the same age and weight could have such different reactions to the same dose

Douton JE, Acharya NK, Stoltzfus B, Sun D, Grigson PS, Nyland JE

Hair loss has been reported by some users of GLP-1 class medications, including retatrutide

doi: 10.3389/fnut.2026.1794882 Received 23 January 2026 Revised 02 March 2026 Accepted 02 March 2026 Published 24 March 2026 Volume 13 - 2026 Edited by Amin Gasmi, Francophone Society of Nutritherapy and Applied Nutrigenetics, France Reviewed by Meryem Saban Gler, Batman University, Trkiye Updates Copyright 2026 Cengiz Kaynakc

doi: 10.1016/j.chom.2018.11.002