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Take Thyroid Pill on Empty Stomach for Best Results

Source: clinician.nejm.org

Patients should take levothyroxine on an empty stomach to ensure proper absorption.
Food, coffee, and certain drugs can reduce the hormone's effectiveness by up to 40%.
Taking it with breakfast may lead to undertreatment and symptoms like fatigue.

Millions of people take levothyroxine, a synthetic thyroid hormone, to treat hypothyroidism, but many don't know it absorbs best on an empty stomach. The article explains why timing matters and how common habits like eating breakfast or drinking coffee interfere. Doctors recommend taking it first thing in the morning, at least 30-60 minutes before food or drinks. This simple change can make treatment far more effective for patients feeling tired or unwell despite medication.