Bad effects of fat burners and caffeen?

I have been taking several different fat burners for a few years now. is there any reasearch showing ill effects of fat burners on a person's body, such as heart or kidneys?
I have found them to be very effective in giving me energy and losing weight, but im worried now of the long term effects.

Answers:
I took those for years to stay at a healthy weight and get some extra energy. they will blow your metabolism out of whack, they make you irritable, cause mood swings, can make you feel shaky and jittery therefore causing anxiety probs, and with their keeping your heart rate elevated, yes I'm sure they can cause heart problems with long term use. I've had problems myself with my kidneys the last 5 years and have had to have 2 surgeries. the doctor told me it was because I drank too much tea and that tea has a chemical to cause kidney stones.. well what is in tea ( CAFFIENE, HELLOOOO) and any diet supplement just makes me worse. so just throw what you have in the garbage and don't take anymore. to have extra energy and lose weight. eat several small healthy meals a day and increase your exercise to where you are burning more calories that you consume, this will boost your energy level and help you lose weight naturally without supplements.


fat burners dunno......

caffeine I knw....its gonna bust u're kidneys..

n' how precious they are.....to knw that just go n' have a luk at no. of ppl waiting for kidney transplant...

there are other ways to "burn" d fat...

get real mate be4 u find u'reself in the list


later dude!
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