Vitamin-K1 Chewable Tablets are fat-soluble vitamins for optimum health. A K deficiency can lead to a bleeding disorder. These tablets contain the same type and degree of activity as naturally-occurring vitamin K. Customers may receive this drug under the names Mephyton, Phytomenadione.**We directly source prescription medications from manufacturers and wholesale distributors registered with the FDA and licensed by applicable state boards. Guaranteed genuine, and where applicable, backed by the manufacturer.**