Vitamin K: Essential for Bone Health Understanding Vitamin K: A Key Nutrient for Bone and Blood Health Vitamin K is probably one of the lesser-known vitamins, or more precisely, groups of vitamins since research has identified at least 12 forms. Danish scientists discovered Vitamin K rather haphazardly in 1929 as part of sterol metabolism experiments, and it was immediately associated with blood coagulation, hence its name "koagulation" in Danish. https://www.nationalnutrition.ca/bone-health/vitamin-k.html #VitaminKsupplements