Are you eating the daily requirement of fiber each day? 25 g for women, 30 g for men. Install the Let's get things moving Fiber App Counter and check your fiber intake. Fiber is critical to health. After you do a bit of research you find that dietary fiber should be an essential nutrient and perhaps one could argue that it is is as critical to good health as vitamin C. Dietary fiber and health go hand in hand. This app is a simple fiber counter. The database contains listings for USA foods.