Over 120 different varieties of quinoa are known, but the most commonly cultivated and commercialized are white quinoa, red quinoa, and black quinoa. Quinoa flakes and quinoa flour are becoming increasingly available, at health food stores .Today, an amazing range of products are made with quinoa, from breakfast cereals to beverages. Quinoa pasta is popular among those following a gluten-free diet, and the grain is a favorite ingredient in granolas, breads, and crackers.