Processed quinoa seeds are gluten-free, high protein and one of the few plant foods that contain all nine essential amino acids. It is also high in fiber, magnesium, B- vitamins, iron, potassium, calcium, phosphorus, vitamin E and various beneficial antioxidants. Quinoa is high in protein compared to most plant foods. Studies have shown that using quinoa instead of typical gluten-free ingredients like refined tapioca, potato, corn, and rice flour can dramatically increase the nutrient and antioxidant value of your diet.