When you want to lose weight, two most important things to consider is diet and exercise. Ideally the food intake should contain lesser calories than calories burned during the day which will cause fat to be burned. Even when you are exercising daily, there are some everyday foods that can cause excessive weight-gain. These are foods you should be avoiding at all costs and will demotivate and make you gain weight even during periods of diet and exercise.
Gluten raises insulin levels and can promote the storage of fat within the body. Consuming gluten rich foods can make you crave more food which will cause weight gain and subsequently cause other health issues as well.