Menadiol (Vitamin K4)
Menadiol belongs to the group of medicines known as vitamin k4. Menadiol (vitamin K) is available without prescription as a dietary supplement in several multivitamins and mineral preparations. Injection and oral preparations are only available on prescription. Menadiol is essential for blood clotting and in aiding the formation of bones. The best natural sources are found in leafy green vegetables, root vegetables, fruit, seeds, cow's milk and yoghurt.
Vitamin K comes in many forms. Vitamin K1 (phylloquinone) is found naturally in plants. Vitamin K2 (menaquinone) is made by bacteria in the intestinal tract. Vitamin K3 (menadione) and Vitamin K4 (menadiol) are man made. Vitamin K1, K2 and K3 are fat soluble and Vitamin K4 is water soluble.