But CurcuminRich contains Theracurmin - a natural preparation that utilizes advanced techniques to reduce the particle size of curcumin within a vegetable gum (gum ghatti) to dramatically increase its solubility and bioavailability. Detailed absorption studies have proven that Theracurmin is the best-absorbed form of curcumin on the market. ‡ This improved absorption with Theracurmin is extremely important in getting the health benefits curcumin provides.