CTD Holdings, Inc. is engaged in selling cyclodextrins (CD) and related products to the food, pharmaceutical, nutritional, and other industries, for use in research and development. The Company also provides consulting services in the area of commercialization of CD applications. The Company sells a range of basic CD products and CD products. The Trappsol product line includes basic CDs, and CDs with different chemical adducts resulting in approximately 100 different CDs. The Aquaplex product line includes various CDs combined with active ingredients that, only as a complex, then become water soluble. During the year ended December 31, 2011, the Company listed for sale more than 200 different Aquaplex complexes. The AP-Flavor product lines are CDs that contain various food flavors.