But what about microdosing taking very small doses long-term
It is important to distinguish between types: Papillary and Follicular Thyroid Cancer: These are the most common and current evidence does not suggest a direct contraindication, though specialist advice is required for any history of malignancy
SA Pharmaceutical Journal, 86(3), 23-29
This is not due to thyroid damage, but rather because: Weight loss alters hormone needs Improved metabolic health can change dosing requirements My Clinical guidance to patients: If you lose 1020 pounds, recheck thyroid labs within 812 weeks to avoid over- or under-treatment
Due to their potential to trigger weight loss, focus on these drugs has shifted in application to obesity, with new drug products using these same ingredients gaining FDA approval for such treatment
doi: 10.1186/S44158-025-00237-Y 107 SherwinMHamburgerJKatzDDeMariaS