Vitamin K is also called coagulation vitamin, which is a kind of vitamin and has the biological activity of chlorophyllin. Vitamin K includes several forms such as K1, K2, K3, and K4. Among them, K1 and K2 are naturally-occurring fat-soluble vitamins; while K3 and K4 are artificially synthesized and are water-soluble vitamins. Vitamin K has physiological functions such as preventing hemorrhage of newborn babies, preventing internal bleeding and hemorrhoids, reducing massive bleeding during the physiological period, and promoting normal blood clotting. Vitamin K soft capsules produced by Guangzhou Changshengkang Biotechnology Co., Ltd. can satisfy our vitamin K supplement!