Bison heart is a nutrient-rich striated muscle meat, a good source of thiamine, riboflavin, niacin, Vitamin B6, phosphorus, iron, zinc, and most importantly taurine. Packed with protein, it is an essential and beneficial part of a natural prey diet for dogs and cats.
Grass-fed bison contains four times the amount of vitamin E found in grain fed beef. It is also a rich source of the vitamin beta-carotene, a vital antioxidant which reduces the risk of cancer by preventing cell degeneration.

4 Paws Pure Bison heart is sliced very thin, making it easy to break and safe for cats and dogs of all sizes and ages. 

Ingredient: 100% pure, human grade, non-medicated bison heart (British Columbia)