Check before you startThis one has documented interactions with medication classes where the consequences are serious. If you take any prescription medicine, run it past a pharmacist before starting.
How long to take it
Short courses. Effects are small.
Who it's actually for
People experimenting with glucose support, with realistic expectations.
Safe upper limit
UnverifiedCoumarin intake capped around 0.1 mg per kg body weight daily
Cassia cinnamon is high in coumarin, which damages the liver in sustained doses. Ceylon is very low in it.
No source attached yet. Treat this as a starting point, not a citation, until reviewed.
Interactions to know about
- Diabetes medication — Metformin, insulin, gliclazide, SGLT2 inhibitors
- Blood thinners / antiplatelets — Warfarin, apixaban, rivaroxaban, clopidogrel, aspirin
Other supplements:
Run your full list through the interaction check.
Practical notes
- Buy Ceylon, not cassia, if taking it daily.
- Stacks with diabetes medication to lower blood sugar.