Teff is a gluten-free, protein-rich grain that has a mild, nutty flavor. Half a cup of uncooked teff contains almost 13g of protein, plus nearly 8g of fiber.

Amaranth is one of the richest plant forms of protein available. The protein is easily absorbed by the body and contains all amino acids — even lysine, which is often missing from cereal grains. A quarter-cup serving of dry, uncooked amaranth contains 7g of protein.

Quinoa is a complete protein, meaning that it contains all nine essential amino acids that our bodies cannot make on their own. One cup cooked provides about 8 grams of protein and 5 grams of fiber.

Wheat contains significant amount of protein. Combination of lentils and wheat flour makes a wholesome protein-rich meal at 7g per cup.

Wild rice contains more protein than regular rice and many other grains. 100g serving of wild rice provides 4 grams of protein, which is twice as much as regular brown or white rice.

Millets are high in nutrition and dietary fibre. They serve as good source of protein at 6.1 grams of protein per cup serving.

Oat is considered to be a potential source of low cost protein with good nutritional value. It has a unique protein composition along with high protein content of 5.9g per cup.

Buckwheat contains a variety of antioxidants. These are ideal for fighting oxidative stress and may even help to reduce the risk of developing some types of cancer. Because of its well-balanced amino acid profile, the protein in buckwheat is very high quality at 3g per half cup.

Brown rice not only have enough protein to make a great supplement, but it is also one of the highest quality sources of plant-based protein.