Beets are high in many vitamins and minerals
Beet contains potassium, magnesium, fiber, phosphorus, iron; vitamins A, B & C; beta-carotene, beta-cyanine; folic acid among other minerals and vitamins
Beets cleanse the body
A wonderful tonic for the liver, beet works as a purifier for the blood, and can prevent various forms of cancer.

Beets help mental health
Beets contain betaine, the same substance that is used in certain treatments of depression. It also contains trytophan, which relaxes the mind and creates a sense of well-being, similar to chocolate.
Beets are a high source of energy
A high source of energy, they are low in calories and high in sugar (although the sugar is released into your system gradually, as opposed to chocolate). Very few foods found in the natural world are as beneficial as beets in this regard.