Curcumin Ultra Contains Antioxidant properties to reduce free radicals formed in the body. Chemists’ Own PROVANCE Curcumin Ultra contains a high potency sustainably grown Curcumin extract known as Curcumin C3 Complex with Antioxidant properties. Included in the formula is the fruit extract Piper nigrum cultivated from Southern India and is also sustainably grown. Piper nigrum aids in enhancing the bioavailability of curcumin and promotes its absorption. Traditionally used in Ayurvedic medicine to relieve mild join inflammation/swelling. Traditionally used in Ayurvedic medicine to maintain healthy digestive system function. Traditionally used in Chinese medicine to support healthy digestive system function.