Dr. Tim's Pet Food Company offers its line of freeze-dried pet treats made of 100% USDA-inspected meat products. Products can be fed as-is or with added water as a training treat, reward or in addition to a regular meal, according to the company. Treats are rich in protein, fat and other nutrients. Choices include beef liver, beef chips, beef tripe, chicken chips, turkey chips, beef oxtails and flavor booster.