How to Lose Weight with Underactive Thyroid?

Work with your doctor to optimize thyroid hormone treatment

Take thyroid medication exactly as prescribed

Take thyroid medication on an empty stomach

Avoid taking calcium, iron, or antacids close to thyroid medication

Recheck thyroid levels regularly

Aim for a modest calorie deficit

Prioritize protein at each meal

Eat mostly high-fiber, minimally processed foods

Limit sugary drinks, sweets, and refined carbs

Control portion sizes

Strength train regularly

Add daily walking or other low-impact activity

Include some cardio each week

Sleep 7 to 9 hours per night

Manage stress consistently

Stay hydrated

Track food intake and body weight

Be patient with slower progress

Address other factors that affect weight, such as menopause, medications, and insulin resistance

Seek guidance from a registered dietitian if needed

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