Cassia has a sweet, woody, spicy aroma similar to Cinnamon. It is known for easing nausea and vomiting. It can help protect from microbial infections, viral infections and is known to relieve gas, headaches, and menstrual cramps. Cassia is often included in mouthwashes, kinds of toothpaste, and gargles due to its antibacterial properties as well as in flavorings for beverages.