It nourishes the brain for clarity of thinking, and helps calm the nerves. It also benefits the hair, skin, and digestion. When it tips over into acidity, disease develops. Silicon is an alkaline-forming nutrient, and thus oatmeal promotes alkalinity in the system. Another inexpensive traditional food is the common apple.
Apples are also alkaline foods.
They contain a high amount of pectin, a type of fiber that acts as a gentle bulk laxative to the intestinal tract. Many people do not realize that apples are rich in calcium, vitamin A, and vitamin C. Other nutrients in apples benefit the circulatory and lymphatic systems. If you are like me, you sometimes buy leaf lettuce and other greens with good intentions, only to forget about them or be so busy that you don't use them right away. They wilt and die without ever being touched. A better value may be sprouts.