10 Super Foods You Must Add to Your Smoothies!

Kale

Move over spinach, you've got some fierce competition. Kale contains a type of phytonutrient that appears to lessen the occurrence of a wide variety of cancers, including breast and ovarian. Though scientists are still studying why this happens, they believe the phytonutrients in kale trigger the liver to produce enzymes that neutralize potentially cancer-causing substances.