Packed with essential nutrients, beetroots are a great source of fiber, folate (vitamin B9), manganese, potassium, iron, and vitamin C. Beetroots and beetroot juice have been associated with numerous health benefits, including improved blood flow, lower blood pressure, and increased exercise performance, (spinach) Spinach has vitamins and minerals like vitamin E and magnesium that support your immune system. This system keeps you safe from viruses and bacteria that cause disease. It also defends your body from other things that can hurt you, like toxins.