Cinnamon is a spice that is taken from the inner bark of several tree species.
It is used mainly as an aromatic condiment and flavoring additive in a wide variety of foods.
These include traditional foods, snack foods, breakfast cereals, savory foods, and sweet foods.
Cinnamon gives foods an aromatic smell and flavoring. (source)
Can guinea pigs eat cinnamon?
Unfortunately, they can’t at all.
Cinnamon will give a guinea pig stomach problems and should be avoided as a food for them.
It is just too strong for them to handle.
For more foods that guinea pigs can and can’t eat, check out our guinea pig food list