I have done stool occult, lft, endoscopy,usg all are in normal range but sometimes I get loose stool I am lactose intolerant kindly tell the test name which can detect the foods I am intolarent major which can detect like gulten etc veg and non veg .Food intorence test name which will detect the major food fructose, gulten etc which common indian are intolerance you know better kindly tell the test name which can be done via blood .so I will cut those food out of my menu .I have anxiety also .