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Written and reviewed by
BHMS, MD - Homeopathy
Homeopathy Doctor, Chennai  •  14 years experience
Calcium Supplements Interfere with Thyroid treatment

Diets rich in soy and high fiber can interfere with levothyroxine absorption. Medications and supplements also can reduce absorption. These include:

calcium supplements
iron supplements
cholestyramine
aluminum hydroxide (present in some antacids)
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