If you want to lose that belly, You first need to start with what you put into your mouth. Animal protein and fat are definitely not it. Humans are by nature vegan. It is the animal fat and protein that cause most diseases. The store shelves are also packed with boxed processed junk with white bleached sugar salt and flour that have no nutrients. Your stomach cannot process the junk without the enzymes and good bacteria it needs to do so with junk foods. You live your life eating junk, and bad bacteria develops, you get parasites, and then you get candida and leaky gut. You can treat leaky gut and candida by treating your stomach, intestinal track and liver with Braggs organic vinegar with the mother, Parasite cleans tea, and liver cleanser tea's. Sugar is not all bad, The sugar 99% of people eat is bleached! Organic tubinado sugar has the enzymes that your stomach needs to process it properly, it has not been washed out like the white sugar has. Fruits and vegetables come with there own enzymes your body requires to process in the gut. Sugar is no different.
Human intestines are to long to process meat and animal protein efficiently, It takes longer to digest and doesn't break down properly, the meat literately rots in your gut, creating gasses and bad bacteria, making you sick.