Active ingredient
Vitamin B1
5 medications authorised for sale in Canada contain Vitamin B1.
How it is classified
- 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 Vitamin B1
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
- VITAMIN B1 (THIAMINE HYDROCHLORIDE)
- VITAMIN B1 (THIAMINE MONONITRATE)
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.