Report a side effect of a natural health product: consumers

Everyone who witnesses or experiences a side effect (adverse reaction) to a natural health product is strongly encouraged to report it. You can also work with your health care provider (doctor, nurse, pharmacist) to submit a report. They may offer additional information that could be useful for our assessment.

Report a side effect

To mail your report to a Canada Vigilance Regional Office, use the postage paid label.

What natural health products are included

Natural health products are often made from plants, but can also be made from animals, micro-organisms and marine sources.

Natural health products, often called "complementary" or "alternative" medicines, include:

• probiotics
• herbal remedies
• vitamins and minerals
• homeopathic medicines
• traditional medicines like Chinese and Ayurvedic (East Indian) medicines
• other products like amino acids and essential fatty acids

All authorized natural health products have a:

• Natural Product Number (NPN) or
• Homeopathic Medicine Number (DIN-HM)

Related links

• Natural health products
• About natural health products
• MedEffect Canada
• Adverse reaction database
• Advisories, warnings and recalls
• Drug and health product registry
• Adverse reaction reporting and health product safety information - guide for health professionals