Weight Gain Diet Plan For People With Lactose Intolerance People with lactose intolerance cannot digest lactose, also known as milk sugar. Our body needs different enzymes to digest different types of sugars from table sugar to milk sugar. People who are trying to weight gain and are lactose intolerant have a difficult time managing their diet and condition. I have seen multiple people who are struggling with their Diet For Weight Gain In Dubai. It is not as hard as it seems. Gaining weight in this condition takes a little awareness and picky eating habits. Let’s see what you can eat: Healthy Cooking Oil - Prepare your food in healthy cooking oils, which means opting for olive or canola oils instead of vegetable oil. It is to add some fat and calories to your diet so that you can gain weight in a healthy manner.