National Center for Complementary and Integrative Health (NCCIH)
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To submit questions or comments, please fill in all boxes in the form. Information Specialists at the NCCIH Clearinghouse can answer questions about the Center and complementary and alternative medicine. Or, you might prefer to send an e-mail to

Please allow up to 3 business days for a response. If you'd like assistance Monday through Friday from 10:00 a.m.–4 p.m. ET, call 1-888-644-6226 (TTY 1-866-464-3615).

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Please note: We do not provide medical advice or referrals to practitioners. Decisions about medical care and treatment should be made in consultation with a health care provider, based on the condition and needs of each person.

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