Beetroots (more commonly known as beets) are not a common food in everyone's diet Deborah Gerszberg but they should be! Beets are a dark red-purple vegetable, but come in other colors too, such as golden yellow. Beets get their deep color from the betanin (a phytonutrient) and betacyanin (antioxidant) found in them. There are many phytonutrients and antioxidants found in plant based foods, teas, and herbs. These special compounds help fight cancer by getting rid of free radicals in your body. This is one of the many reasons it is important to consume a colorful and varied plant-based diet.