Proso millet is rich in magnesium which helps to lower the blood pressure and also decreases the chances of strokes, heart attacks and atherosclerosis. It is a good source of potassium which helps to maintain low blood pressure.. Proso- millet has high anti-oxidant. They remove free – radicals from the body. Free – radicals are the reasons for wrinkles on the skin, complexion loss, etc. If you add proso millet to your diet it’ll help you delay the aging process. A high amount of lecithin is present in the proso millet. It is a compound that indirectly affects the nervous system and keeps it functioning smoothly.