The vitamins, minerals, and fiber found in finger millet can provide important health benefits. The potassium found in finger millet can help keep your kidneys and heart functioning properly. Potassium also helps your nerves transmit signals, which allows your brain and your muscles to work together smoothly. Finger millet is also an excellent source of B vitamins, which play a role in everything from brain function to healthy cell division. B vitamins are even connected to a reduction in fatigue.