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Should Synthroid be taken on an empty stomach?

It is generally recommended to take Synthroid on an empty stomach, usually 30-60 minutes before a meal. If you have always taken Synthroid with meals and the dosage has been adjusted accordingly, then it should not be a problem. It is important to space out the intake of Synthroid and foods that contain dairy, calcium, or iron by at least 1 hour, as these can significantly affect the absorption of Synthroid.