Protein sources are important components of a balanced diet. Tofu, soya, SOY, EGG, LENTIL, MEAT, BEAN, NUT, SOYBEAN, LEGUMES, and raw eggs are all sources of protein. Tofu is a food made from condensed SOY milk that is popular in Asian cuisine. Soya and SOY are both derived from the SOYBEAN plant. Eggs are a common source of protein, as are lentils, which are small, lens-shaped LEGUMES. MEAT, beans, and nuts are also sources of protein, as are soybeans, LEGUMES, and raw eggs.