Freeze-Dried Beef HeartFreeze Dried Humanely Raised, Sustainably Sourced, Healthy, Nutritious, and Made in the USA Dog Treats FREEZE DRIED RAW DOG TREATS We cant let a good heart go to wasteso we source this underrated culinary organ meat to freeze dry into flavorful, nutritious planet friendly treats. In fact, this single ingredient treat is all heart: 100% natural freeze dried raw beef heart, raised with grass fed goodness.