TM/MC TM/MC nutrients Chondroitin sulphate D-Glucosamine (C H NO S)n (C H NO ) 14 22 15 6 13 5 Hyaluronic acid Methylsulfonylmethane (C H NO )n (C H O S) 11 21 6 2 14 2 Lecithin (C H NO P ) + 46 89 8 illustrations | 11