First, list what toxins you are trying to eliminate. If you can do that, then you can start considering methods for chelation or other degradation methods. If you cannot list any specific toxin you are trying to eliminate, take a step back and ask yourself what you're doing. A given fast may or may not aid in the elimination of any given toxin.
Steak, eggs, potatoes - fruits, nuts, berries and forage. Coconut milk and potent herbs and spices. Tea instead of coffee now and teeny amounts of kelp daily. Let's see how this does! Not really had dairy much, and gut seems better for it.