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RenThyroid has not been reviewed by the FDA for safety or efficacy.
Important Safety Information for RenThyroid
Thyroid hormone drugs, including RenThyroid, should not be used either alone or in combination with other drugs for the treatment of obesity. In patients with normal thyroid function, normal doses for daily for hormone replacement are not effective for weight loss. Larger doses may cause serious or even life-threatening events, especially when used in combination with certain other drugs used to reduce appetite.