Stevia Leaves (100 gms) Stevia is a naturally zero-calorie sweetener. The two major sweet compounds in it are called Stevioside and Rebaudioside A. The sweet compounds in Stevia are Stevioside can lower blood pressure when it is unnaturally high. However these studies used very large doses. Stevioside appears to improve function of the hormone insulin helping to lower blood sugar levels. Stevia have led to numerous health benefits in animal reduced oxidized LDL cholesterol.