yea man i did back in october 2003 for a few weeks. it highlighted that i had a pre existing kidney problem. my right kidney does not work. i hoewver did not knw this and was ridiculously ill. i still get sick if i eat too much salt etc and other times randomly pretty badly.
it says on box dont take if kid probs. i never knew. ah well. if u are healty take it it def works. if not dont risk it. i learnt hard way tho gained a baluable lesson.