Curry Recipe: Seasoning is a substance that serves to enhance the flavour and/or taste of food, especially an ingredient such as a condiment, spice or herb added to food to improve its flavour. Holy basil helps to fight infections and boost immunity. Turmeric contains curcumin, a substance with a powerful anti-inflammatory effect. Sage can improve brain functions and memory. Cinnamon lowers blood sugar levels and has a powerful anti-diabetic effect. Peppermint reduces nausea.