Soybean (or soy) is the richest plant source of protein available. The soy protein is of the highest quality among all legumes and equivalent to that of milk or meat protein. Besides this, every serving of soybean contain at least 8 grams of dietary fibres and substantial amount of other micronutrients iron, calcium, magnesium, zinc, omega-3 fats and Vitamin A, B and D. Soy foods if used smartly, contribute significantly toward meeting the daily protein requirement of the body.