Home / Tryptophan / Canada
CA ATC N06AX02 · updated 2 Nov 2026
Tryptophan shortage in Canada
Is there a Tryptophan shortage in Canada?
Yes. As of 2 Nov 2026, 1 Tryptophan product is reported short in Canada, the first since 7 Aug 2024. No return date has been given. Main reason: manufacturing problem.
Not reported short in any other country we track. All countries.
Affected products in Canada
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| CA | TEVA-TRYPTOPHAN (100) | TEVA CANADA LIMITED | 7 Aug 2024 | not given | Manufacturing problem Disruption of the manufacture of the drug |
Source
Health Canada, Health Product Shortages Canada. Official list. Mandatory company reports since 2017: actual and anticipated shortages, plus products about to be discontinued.