Paleovalley Grass Fed Beef Organ Complex - Freeze-Dried Beef Liver, Heart, and Kidney Blend, 1 BottleBrand: Paleovalley Features: Made With 100% Grass Fed Organs: Our Grass Fed Organ Complex contains not one but three organs from grass fed, pasture raised cows, so you are getting a more diverse array of nutrients liver, heart, kidney. Most other similar products only contain one (usually liver) and it is spray dried at high temperatures. A Concentrated Natural Source of Vitamin B12: Vitamin B12 is the only vitamin that we cant get from either plants