Nutritionn Turmeric Curcumin is a source of antioxidants. Turmeric is commonly used as a spice and has a long history of being an effective herbal medicine. Its active compound is curcumin, which is attributed to the wide range of health benefits that it has to offer. This natural supplement contains a touch of piperine to increase its bioavailability and make it more effective. This is an excellent choice for a healthier diet and lifestyle.