Gouda is a Dutch yellow cheese made from cow’s milk. It has approximately 75 mcg of K2 per 3.5 ounce serving. Gouda has the highest content of vitamin K2 among all types of cheese, and is rich in vitamin K2 whether or not the milk it is made from was grass-fed.
Ghee is butter that is traditionally made from buffalo or cow’s milk. It is also a good source of vitamin K2, which has approximately 8 mcg per 3-½ ounce portion. While ghee is a class of clarified butter, it is simmered longer to bring out butter’s natural nutty flavor.