The Downtown Pet Supply – Yak Nuggets – Yak Cheese Himalayan Dog Chews is a 100% natural dog treat that is made from yak and cow milk. This treat is rich in Omega 3, calcium, zinc, vitamin A, vitamin E, and vitamin D, and it promotes good dental health by cleaning the crevices around the teeth. The Downtown Pet Supply – Yak Nuggets – Yak Cheese Himalayan Dog Chews is also easy to digest and is perfect for dogs who are sensitive to milk.