J-Oil Mills, Inc., has released menatto, a new vitamin K2 product. menatto was created from a bacterial strain isolated from the traditional fermented Japanese food natto. It can be used to support bone, heart, and joint health, and it may benefit healthy blood coagulation and healthy hair/skin/nails, according to the company. Menatto can used in food or beverages and manufactured as a tablet, capsule, gummy, or chew.