Active ingredient
Selenium
5 medications authorised for sale in Canada contain Selenium.
How it is classified
- Alimentary tract and metabolism
- Blood and blood-forming organs
The anatomical main group records the body system a medicine acts on. It is not a statement of what this ingredient treats, and nothing on this page is. Products containing this ingredient are classified under more than one group.
Products containing Selenium
Strengths and forms differ between these products — check them against your own. Containing the same active ingredient does not mean two products can be substituted for each other: whether a substitution is permitted is a provincial decision, and this page does not show it. Ask a pharmacist.
How Health Canada files this ingredient
- SELENIUM (SELENIOUS ACID)
- SELENIUM (SELENIUM OXIDE)
- SELENIUM (SODIUM SELENITE)
These are the spellings used across the products above, including the specific salt in each. They are grouped here as one ingredient.
Source: Health Canada — Drug Product Database. Data current as of 2026-08-12. Marketed human products only.