Gluten-free diet
There are many confirmed cases where there was no intolerance to gluten, but the people themselves switching to this diet felt significant health benefits and weight loss.
Gluten-free diet does not prohibit the use of corn, buckwheat, millet, rice, tapioca and soy. However, before using any product, check the label whether it has barley or wheat. Also this diet strictly prohibits the bread and pasta with Gluten and almost all processed food industry, since it always finds a little gluten.