Procedures such as gastric bypass or sleeve gastrectomy have demonstrated significant long-term weight loss and improvement in obesity-related comorbidities, though patients require lifelong monitoring including thyroid function assessment, as malabsorption may affect levothyroxine requirements
Reza, M., Kadkhodai, M., Dabidi, V., et al
Men often see improvements in energy, performance, and metabolic stability
Individual response varies based on age, baseline hormone levels, lifestyle factors, and dosing protocol
One study found that when two-thirds of hypothyroid women on thyroid medication increased their serum ferritin (the storage form of iron) levels to greater than 100 micrograms per liter with iron, their fatigue improved