Hi, im 26 years woman, height 5'2 and weight 48 kg, having acidity and im also thin from childhood, I do exercise 3-4 days in a week. Have healthy food, I have taken endura mass, and whey protein for a certain time, but nothing worked. While I was taking endura mass I gained some weight but after leave endura I lost those weight again. I visited doctor but, he said nothing problem in me except acidity. One point is that my father also very thin. My mother is healthy .please help me out.