What foods should I avoid when taking levothyroxine?
Liam Parker
Updated on January 04, 2026
What foods should not be taken with levothyroxine?
- Soybean flour.
- Soy.
- Walnuts.
- Dietary fiber.
- Cottonseed meal.
- Espresso coffee.
- Grapefruit.
What foods interfere with thyroid medication?
Eating certain foods too close to your daily dosage can interfere with how the medication works, including:
- Soy-based foods or flours, like edamame, tofu, or miso.
- Cottonseed meal.
- Grapefruit or grapefruit juice.
- Walnuts.
- High-calcium foods, like milk, yogurt, or cheese.
- High-fiber foods, like broccoli, cabbage, or kale.
Can I drink coffee with levothyroxine?
8) You take your Synthroid or levothyroxine with coffeeIn studies, coffee reduced the body's absorption of thyroid medications by about 30%. That's why experts recommend that you wait at least 60 minutes after drinking coffee to take your thyroid replacement medication.
Can you eat dairy after taking levothyroxine?
You should avoid drinking milk until at least 4 hours after taking levothyroxine. Dairy products—including milk, cheese and yogurt—contain high calcium levels, which affect how levothyroxine is absorbed into your body.What does not interact with levothyroxine?
It also can be taken with other medications as long as those medications do not affect absorption of levothyroxine. As mentioned above, levothyroxine should not be taken within 4 hours of medications and supplements like antacids, bile acid sequestrants, ion exchange resins, iron supplements, or calcium.What is Levothyroxine?| Levothyroxine & Thyroid | Food and drinks to avoid when taking Levothyroxine
Why do you have to drink a full glass of water with levothyroxine?
The Levoxyl-branded tablet may rapidly swell and disintegrate, and cause choking or gagging if it becomes stuck in your throat. Take with a full glass of water, but talk with your doctor should you have difficulty swallowing it.Can I take vitamin D with levothyroxine?
No interactions were found between levothyroxine and Vitamin D3.What can I eat for breakfast after taking levothyroxine?
Most foods are considered fine to eat for breakfast as long as they are eaten 30 to 60 minutes after taking levothyroxine.
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Official answer
- Soybean products.
- Cottonseed meal.
- Walnuts.
- Dietary fiber.
- Grapefruit juice.