Benefits of Turmeric Powder But, the biologically active compound that it contains is called curcumin and like many other plant compounds it has limited bioavailability. So, if you are interested in the health benefits, you must choose your supplements carefully. First, we'll look at cooking with the spice and then we'll get to health supplement selection. What is turmeric powder used for in cooking? The most common uses Benefits of Turmeric Powder are to make curry, chutney and pickles. But, it is also used to flavor chicken, turkey, vegetables, rice and salad dressings.