Supplements / Exploratory
Cinnamon (Ceylon)
Best for: Healthy aging
Cinnamon (Ceylon) is rated limited evidence (tier C on our evidence scale). 1–6 g daily; use Ceylon, not cassia. Morning with food.
Sources last reviewed
When and how to take Cinnamon (Ceylon)
- Dose
- 1–6 g daily; use Ceylon, not cassia.
- Timing
- Morning with food.
- Review
- Reassess after 8 to 12 weeks.
- Forms
- ceylon cinnamon
What Cinnamon (Ceylon) is used for
- Small fasting glucose and HbA1c effects in meta-analyses.
- Cassia cinnamon at high doses is hepatotoxic via coumarin; use Ceylon.
Who should be careful with Cinnamon (Ceylon)
- Avoid if you have a history of liver issues.
Safety checks for Cinnamon (Ceylon)
- Not suggested: Liver disease history
- Needs a clinician's OK: Glucose-lowering medications
What to look for when buying Cinnamon (Ceylon)
- Preferred third-party verification: Third-party tested (COA).
- Common contamination risks: Mislabeling / identity, Ingredient swapping.
- Identity: Ceylon cinnamon (Cinnamomum verum), not cassia. Cassia contains higher coumarin which is hepatotoxic at chronic high doses.
Where to get it
We’re building a curated list of third-party-tested products for Cinnamon (Ceylon). Each one will meet our quality bar (preferred certifications, contamination screens) and carry an explicit affiliate disclosure.
Your experience
If you’ve tried Cinnamon (Ceylon), you can log how it went. This stays on your device — only you see it.
We frame these as personal experience, not medical claims. Self-reported subjective outcomes are influenced by placebo, regression to the mean, and parallel lifestyle changes. We’ll never present ratings as equivalent to RCT evidence.
Research sources for Cinnamon (Ceylon)
- Cinnamon for glycemic control: meta-analysis (reviewed 2026-04-30)
Related supplements
Almavivo is for education only, not medical advice. Check with a doctor or pharmacist before starting a supplement, especially if you take prescription medicine, are pregnant or breastfeeding, or have a long-term health condition.