Yes. – Cinnamon is allowed, in restricted amounts, on the slow carb diet.
Cinnamon is known to have a beneficial effect in maintaining glucose levels.
You can have up to 4 grams (approximately 1.5 Teaspoons) of cinnamon each day.
It’s important that you do not exceed this amount, as cinnamon contains substances which can be harmful if consumed in excess of the above recommended allowance.