Key takeaways
- Cinnamon supports healthy metabolism.
- Cassia contains coumarin.
- Olive leaf is rich in oleuropein.
- Both have antioxidant activity.
- Check medications before use.
One is a kitchen spice and the other comes from the olive tree, but both are gaining attention for metabolic wellness.
Cinnamon at a glance
| Cassia cinnamon | Ceylon cinnamon | |
|---|---|---|
| Origin | China, Southeast Asia | Sri Lanka |
| Flavour | Strong, spicy | Mild, sweet |
| Coumarin | Higher | Very low |
| Research focus | Blood sugar, inflammation | Similar, fewer studies |
Olive leaf at a glance
Key compounds
Oleuropein and hydroxytyrosol, powerful polyphenol antioxidants.
What research has looked at
Healthy blood pressure, heart health, glucose metabolism and antioxidant activity.
Traditional use
Olive leaf tea has long been used across the Mediterranean.
Using them in everyday life
Sprinkle cinnamon on oats, yoghurt or coffee, cook with extra virgin olive oil and enjoy olives as part of a Mediterranean-style diet. Neuro Serge combines Cinnamomum cassia and olive leaf with grape seed, bilberry, green tea and DGL licorice to support healthy metabolism, circulation and brain health.
Sources
- Allen R.W. et al. – "Cinnamon use in type 2 diabetes: an updated systematic review and meta-analysis," Annals of Family Medicine, 2013.
- Lockyer S. et al. – "Impact of phenolic-rich olive leaf extract on blood pressure, plasma lipids and inflammatory markers," European Journal of Nutrition, 2017.
- NIH National Center for Complementary and Integrative Health – "Cinnamon."
Common questions
What is the difference between cassia and Ceylon cinnamon?
Cassia is stronger and higher in coumarin; Ceylon is milder and very low in coumarin.
What is oleuropein?
The main antioxidant polyphenol in olive leaves.
Can cinnamon affect blood sugar?
It has been studied for supporting healthy blood sugar; check with your doctor if you take diabetes medication.