Canada · Tirzepatide
Tirzepatide in Canada: what users report.
A Canada-focused summary of anonymous tirzepatide experiences on Peptide Confessions, alongside the basics of how tirzepatide is authorized here. For the full peptide overview see the tirzepatide hub; for the brand-name angle see Mounjaro in Canada.
What the confessions say
- 93 published anonymous tirzepatide confessions; 27 mention at least one side effect.
- 10 mention a brand name (Mounjaro or Zepbound) by name.
- Among confessions that state a weight change in pounds, the median reported is 50 lb. Self-reported, unverified.
Most-mentioned side effects (share of tirzepatide confessions):
- Heart rate or palpitations: 11.8% (11)
- Anxiety or panic: 5.4% (5)
- Burping: 4.3% (4)
- Insomnia or poor sleep: 3.2% (3)
- Libido: 3.2% (3)
Counts are phrase mentions in anonymous accounts, not diagnoses or clinical rates. Full breakdown and methodology: tirzepatide side-effects report.
How tirzepatide is authorized in Canada
Tirzepatide is a prescription drug in Canada. Mounjaro received a Notice of Compliance on November 24, 2022 for adults with type 2 diabetes (Summary Basis of Decision), and Zepbound is listed for chronic weight management. Products and DINs can be checked in Health Canada's Drug Product Database. Health Canada warns against unauthorized “research” versions — see are peptides legal in Canada?. For what users describe after starting, see tirzepatide side effects.
Tirzepatide products in Canada at a glance
| Product | Authorized for | Status |
|---|---|---|
| Mounjaro | Type 2 diabetes | Prescription; authorized November 2022 |
| Zepbound | Chronic weight management | Prescription; authorized May 2025 |
| “Research” tirzepatide sold online | Nothing | Unauthorized; Health Canada has warned against injecting peptides bought online |
Coverage: Mounjaro, Mounjaro in Ontario, Mounjaro in Quebec, Zepbound. Side effects: Mounjaro side effects in Canada.
Last reviewed October 15, 2026against Health Canada's Drug Product Database and Health Canada sources.
Related
Frequently asked questions
- What is the difference between Mounjaro and Zepbound in Canada?
- Both are tirzepatide from Eli Lilly. Mounjaro is authorized for type 2 diabetes and Zepbound for chronic weight management.
- Is tirzepatide approved in Canada?
- Yes, as prescription products. Health Canada authorized Mounjaro (tirzepatide) for adults with type 2 diabetes in November 2022, and Zepbound (tirzepatide) for chronic weight management in 2025. Both appear in the Drug Product Database.
- Is 'research' tirzepatide legal in Canada?
- Health Canada has warned about unauthorized peptide products sold online and says 'For Research Use Only' labelling does not make a product legal or exempt from regulatory requirements.
- What side effects do tirzepatide users report?
- In our anonymous corpus, gastrointestinal effects are the most commonly mentioned. See the tirzepatide side-effects report for current counts. These are user reports, not clinical rates.
- Does this page give dosing advice?
- No. Peptide Confessions does not publish dosing guidance or sourcing information. Talk to a licensed Canadian prescriber or pharmacist.
Sources
General information only — not medical, legal or regulatory advice. Peptide Confessions does not sell, source or recommend any product or vendor, and nothing here is dosing guidance. Speak with a licensed Canadian healthcare professional or pharmacist about any medication. Editorial process →