YointFlex is a synergistic formula with an internal egg shell membrane (NEMO) and standardized extracts of Boswellia, Devil's Claw, Turmeric and Piperine. NEM ?, Natural Eggshell Membrane, is a nutraceutical ingredient developed through the patented process by ESM Technologies that preserves the natural structure of egg membrane components such as Hyaluronic acid, glycosaminoglycans, collagen and other beneficial proteins.