Contact Us

Before sending a question, you may want to look at our answers to frequently asked questions or search our website using the search box located at the upper right corner of this page.

ODS provides general information you can trust about dietary supplement ingredients. We cannot provide personal medical advice or make referrals to healthcare providers. Many of your questions about dietary supplements are best answered by a physician or other qualified healthcare provider who is familiar with your medical history and situation.

Please use the form provided to email questions or suggestions about ODS's website. You may expect a response to your message within 7-10 business days. You must fill in every box below.

  • Please include all pertinent details within the contact message box. We do not open attachments to email messages.
  • We can only respond to email messages written in English.

(example: [email protected]):

Alternatively, you can write to us at this address. We can only respond to letters written in English.

Office of Dietary Supplements
National Institutes of Health
6705 Rockledge Dr., Room 730, MSC 7991
Bethesda, MD 20817

Email: [email protected]