Guide Safety & Auto-ship

How do I report a serious supplement side effect in the US?

What to do first, which product details to keep and how consumers can report serious supplement problems through FDA's Safety Reporting Portal.

Information only — not medical advice. We separate consumer guidance from treatment decisions and make no disease-cure claims for supplements. Spotted an error? Tell us — see our corrections policy.

Key facts

First priority Urgent medical care when symptoms may be serious
US reporting route FDA Safety Reporting Portal for dietary-supplement reactions and product-quality problems
Keep Package, label, lot number, purchase record and a timeline of use and symptoms

Step by step

  1. Seek urgent medical help first when symptoms may be severe or life-threatening.
  2. Preserve the container and record the exact product, lot, serving, dates, symptoms and other medicines.
  3. Submit the report through FDA's Safety Reporting Portal or ask a health professional to help report.

Reporting helps safety monitoring, but a form is never more urgent than getting appropriate care.

What should happen before a report?

If symptoms may be severe or life-threatening, contact emergency services or a poison control service as appropriate for your country. Do not wait for an online reporting form to load. A clinician can address the immediate situation and document relevant findings.

FDA tells consumers who think a supplement caused a serious reaction or illness to stop using the product and submit a report. Contact a qualified professional for medical advice, including whether and when any product should be restarted.

Which details make a report useful?

Keep the original container rather than transferring the contents. Record:

  • complete product and manufacturer name;
  • lot number, expiration date and package size;
  • where and when it was purchased;
  • serving amount, frequency, start and stop dates;
  • what happened and the timing;
  • other supplements and medicines used;
  • relevant medical evaluation, if available.

Write observations rather than a diagnosis. “Symptoms began two hours after the second serving” is more useful than an unsupported statement that the product definitely caused the event.

Where do US consumers report?

FDA’s dietary-supplement reporting guidance directs consumers and health professionals to the Safety Reporting Portal. After signing in or continuing as a guest, select the voluntary-report option for a private citizen, business or veterinary provider. Use the current FDA instructions rather than a bookmarked generic MedWatch form because FDA routes electronic dietary-supplement reports through the portal.

Manufacturers also have reporting responsibilities for serious adverse events associated with dietary supplements. A consumer report does not need to wait for the seller’s internal process.

What does FDA do with a report?

Reports contribute to signal detection and regulatory monitoring. A single report normally cannot prove causation, and submitting one does not mean FDA has determined that the product caused the event. Accurate product identification and timing improve the information available for review.

What if I am outside the US?

Use your national medicines, food-safety or adverse-event reporting route. The Safety Reporting Portal instructions in this article are US-specific. In every country, urgent care comes first and local authorities may request different information.

This page awaits qualified clinical review and should be used only as a documentation and routing checklist.

Frequently asked

Can consumers report a supplement problem themselves?
Yes. FDA directs consumers and health professionals to its Safety Reporting Portal for dietary-supplement reports. You can sign in or report as a guest; follow the current FDA instructions linked in the source list.
Does a report prove that the supplement caused the event?
No. A report documents a suspected association and supports safety monitoring; it does not by itself establish causation. Provide accurate details and avoid conclusions you cannot support.

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Sources

Official or primary sources used for this page. Access dates show when the editorial desk last checked each page; they do not replace current clinical advice.

  1. How to Report a Problem with Dietary Supplements U.S. Food and Drug Administration · accessed
  2. FDA 101: Dietary Supplements U.S. Food and Drug Administration · accessed