I am a very thin guy and when I saw the ad of this product I was in hope that yes I had found something that will help me to gain weight.But I was wrong it was just a waste of money. I bough this product an year before and taken it regularly but I have found that there is no weight gain using this product. This product is just a tonic of a bit glucose and like other some other products contains some vitamins and fats that a regular diet taking person can gain from vegetables, soup and daily meal. I used 6 jars of this but unfortunately I only got a good taste after drinking it. I am still thin and no change had taken place. It broked my hope. Actually this product just gives a bit energy and nothing more.I just want to tell you that if you want to gain weight use vegetables , protein rich foods , fat rich foods because if you biy this product you are going to get nothing and only the waste of money.