Thyroid

Can You Lose Weight with Hypothyroidism?

Linda Girgis | MD

Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 20th, 2026.

Yes, weight loss is possible with hypothyroidism, though it requires more effort than for people with normal thyroid function. An underactive thyroid slows your metabolism by 5-10%, making it harder to create the calorie deficit needed for weight loss. Studies show that people with treated hypothyroidism can lose weight successfully through a combination of proper thyroid medication, reduced calorie intake, and regular exercise. Focus on strength training to preserve muscle mass, aim for 7-9 hours of sleep nightly, and consider working with an endocrinologist to optimize your thyroid hormone levels. Consistent medication adherence is crucial, as even small fluctuations in thyroid function can impact your metabolism and weight loss progress.

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