03 May 2016 --- Consumers, supplement manufacturers and health professionals are no strangers to vitamin K, a fat-soluble vitamin known to aid blood clotting. It was recently discovered, however, that there are two major types of vitamin K – K1 and K2 – which have different roles and offer different benefits to consumers. Norwegian company NattoPharma specialises in the production and marketing of vitamin K2, which has been demonstrated in clinical studies to deliver bone and cardiovascular benefits, making it an invaluable nutrient for all stages of life. Vice President Sales & Marketing Europe & Asia, Rudi De Man spoke to NutritionInsight about the journey so far.