Cinnamon (Cinnamomum zeylanicum) is available as bark, shoots, and sticks. The bark is mainly sweet, but also slightly hot and bitter; the shoots have a very different taste and are not so sweet. Both are warming and tonic.
Cinnamon and whole barley soup is good for all kidney problems, balancing water volume, general tone, and function and helping to cleanse the system.
Cinnamon and cloves complement each other in cooking, warming and speeding digestion. Nausea, flatulence, and diarrhea can be helped with them.
Text Source: The Complete Home Guide to Herbs, Natural Healing, and Nutrition