Cinnamomum zeylanicum - The inner bark of a tropical Sri Lankan tree, cinnamon has a comforting aroma, reminiscent of apple pies. It is often used in baking and confectionery. Cinnamon is also a valued spice used by herbalists to improve digestive problems, particularly where there are spasms, such as colic or tummy cramps. Cinnamon is a warming tonic, wonderful for easing winter chills, and also or people who ‘feel the cold’. You only need a little cinnamon to enhance the flavour of your herbal tisane. Cinnamon is also an essential ingredient in chai.