HeroDogTreats™ Dehydrated Human Grade Kangaroo Liver is a worry-free treat that is rich in flavour and packed with 100% natural protein. Made from premium grass fed, wild kangaroo and these are all-natural, chemical, and preservative free. Most usable source of iron for hemoglobin, brain and muscle function. Kangaroo Liver contains nitrogen compounds that are building blocks for DNA and RNA and are loaded with minerals like phosphorus, iron, copper, magnesium and iodine. Packed with vitamins and folic acid for energy and focus.