1. ANIMAL FOOD
Animal foods are: meat, milk, yoghurt, cheese, bouillon, butter, fish, shellfish, eggs e.g.
If you look into it you'll be amazed how much products in the supermarket contain some kind of animal based product. If you want to become a strict vegan it is not easy. The food pattern of the Western civilisation is based on animal products. In fact this is very strange since we know that many modern diseases are caused by an overconsumption of animal food.
If you want to lose weight quickly it is a must to stay away from animal products. There are two reasons why you have to abstain from animal food if you want to slim down fast:

The energy animal foods contain consists of proteins. Proteins take a longer time to digest and are burnt in a different, more cumbersome way than fruits and vegetables. Burning proteins is a body polluting process so it will not contribute to a healthy functioning of the cells. For more about this subject see the burning process.
Animal products contain a lot of fattening cholesterol whereas fruits and vegetables do not contain any cholesterol.