What Spices Help Lower Blood Sugar? Studies show that turmeric may lower cholesterol and blood sugar, relieve pain, protect your kidneys and eyes, improve your sex life and prevent cancer. About 2 to 5% of this spice is the orange/yellow powder known as curcumin. Turmeric, which is derived from the root of Curcuma Longa (ginger family), has been used for centuries in chinese and Indian (Ayurvedic) medicine. Although turmeric tastes good especially with the right recipe, the taste usually has a bite to it. However, turmeric milk is a good option especially for people who…