l-carnitine, cla, green tea????

hey everyone, im 15 years old, I'm 5'7, I'm 200 pounds and for august 1 i want to be skinny like at 160 or 170 i got in the gym a week ago, the supplements im taking to loose weight are, L-CARNITINE, CLA, AND GREEN TEA, i drink l-carnitine 1 time and thats before exercise at 5:00 p.m, and CLA i take it at 6:00a.m, and green tea before going to bed, NOW DO THIS SUPPLEMENTS HELP ME OR AM I JUST WASTING MY MONEY, IF SO TELL ME WHAT TO BUY THAT CAN HELP ME ACHIVE MY GOAL, i do 1 hour of cardio everyday, and 1 hour of weights also

You gotta be 18 to be on this board, but you should check your diet first if you wanna lose the extra fat, and do cardio, don't worry about the supps, cause your only 15.