What Is Post-Market Surveillance?

The ongoing monitoring of a dietary supplement's safety profile after it has been marketed, including tracking adverse event reports, consumer complaints, and emerging scientific evidence.

Why It Matters for Supplement Brands

Unlike drugs, dietary supplements do not require pre-market FDA approval. This makes post-market surveillance the primary safety monitoring mechanism. FDA relies on adverse event reports to identify safety problems and can remove products from the market if evidence of harm emerges.

How It Works

Post-market surveillance for supplements involves several mechanisms:

1. **Mandatory adverse event reporting**: Serious adverse events must be reported to FDA within 15 business days (required under the Dietary Supplement and Nonprescription Drug Consumer Protection Act of 2006)

2. **FDA MedWatch**: Consumers and healthcare professionals can voluntarily report adverse events

3. **Recall monitoring**: FDA can request (but not mandate) voluntary recalls; however, under certain circumstances, FDA can mandate a recall

4. **Ongoing literature monitoring**: Responsible companies track new research on their ingredients for emerging safety signals

5. **Third-party testing programmes**: Organisations like USP, NSF, and Informed Sport conduct ongoing verification testing

Brands should maintain an internal adverse event tracking system and have clear procedures for reporting to FDA when required.

Common Mistakes to Avoid

  • ✗Not having a system to receive and track consumer adverse event reports
  • ✗Failing to report serious adverse events to FDA within the required 15 business days
  • ✗Not staying current on new research that may affect the safety profile of key ingredients

Related Terms

cGMP (Current Good Manufacturing Practices)FDA Warning LetterAdverse Event Reporting

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