Life Extension Super K Softgels combines vitamin K1 with two forms of vitamin K2 in a once-daily vitamin K supplement to help support bone and heart health. Super K provides three different kinds of vitamin K. Vitamin K1, the most common form of vitamin K, is typically found in the plant cells of leafy green vegetables and helps support optimal bone health and arterial health. The forms of K2 found in this supplement are MK-7 and MK-4, commonly found in some types of dairy.
