So, randy couture's diet. I personally don't see the point of it, but are there any benefits or side effects of following it? Main focus is to maintain ratio of alkalinity to acidity in your body. The alkaline diet is mostly vegetarian. In addition to fresh vegetables and some fresh fruits, alkaline-promoting foods include soy products and some nuts, grains, and legumes. Web sites promoting the alkaline diet discourage eating acid-promoting foods, which include meat, fish, poultry, dairy products, processed foods, white sugar, white flour, and caffeine. The alkaline diet is basically healthy, says Marjorie Nolan, RD, an American Dietetic Association spokeswoman. "It's a diet of fresh fruits and vegetables, plenty of water, avoiding processed foods, coffee, and alcohol, which are all recommendations for a generally healthy diet anyway," Nolan says. "But our body regulates our pH between 7.35 and 7.45 no matter how we eat."