Each Natures Aid Organic Beetroot capsule is equivalent to 4620mg of dried root. Beetroot is one of the many cultivated varieties of beets (Beta vulgaris) Ð it first became popular in Roman times for its apparent health benefits. This dark red vegetable Ð which has been a staple salad ingredient for years Ð has provoked a great deal of excitement and research in recent years for its potential benefits.