Creatine patients should avoid diets which contains high protein, like red meat, dairy products, and must switch to more vegetable-based bowls. Compared to maximum vegetables, corn is higher in phosphorus. So, 1/2 cup with low amount of milk is acceptable for a creatine patients. You, must choose those that do not contains nuts, dried fruits or chocolate. Some worthy options include Cheerios, porridge, Rice Krispies, shredded wheat, cornflakes, Special K etc.