Usually unheard of.
Vitamin K2 is an essential component of normal circulation
Essential for perfect health.
Few diets are full of good fats, sprouts and rapidly grown organic green veggies.
Needed for improving blood clotting rates (‘K’ for the German word for clotting – instead of Warfarin – (use green leafy veggies and K2 and D3.
Vitamin K1 is found in leafy greens while vitamin K2 is found in fermented foods – especially natto, and grass-fed animal fats—goose liver, cheese, and to a lesser extent butter and egg yolks. Also emu oil.