Dont wannna be ill but wanna be slim!?

okay so ive been taking acia berry with colon clenser for two days now, and feel awfull, fells bad toliet problems...? and pains i really wanna carryion taking them but i dont want to die :L im 13 and am taking 2 a day x one of each in the morning and one of each at night x should i carry on or what?x