What are some sources of vitamin K?

Vitamin K1 is the main form of vitamin K supplement available in the U.S. Recently, some people have looked to vitamin K2 to treat osteoporosis and steroid-induced bone loss, but the research is conflicting. read more

Vitamin K is an essential vitamin required for protein modification and blood clotting. Recent studies suggest that vitamin K may play a role in treating osteoporosis and Alzheimer's, and that consuming increased levels of vitamin K can help protect against cancer and heart disease. read more

It belongs to a group of chemically similar compounds called napthoquinones. The best sources of vitamin K can be divided into two broad categories: phyllo-quinones and metaquinones. The primary food source of vitamin K is plants, especially green leafy vegetables. Almost 90% of the dietary vitamin K is in the form of phyllo-quinones. read more