Beef heart and spleen contain several compounds that can help improve energy levels.Beef heart contains a lot of coenzyme Q10 (CoQ10) that helps your mitochondria (which are your cells’ power plants) convert the food you consume into energy by supporting the creation of adenosine triphosphate (ATP), which cells use for fuel.Beef spleen is rich in heme-iron which is a crucial factor in the creation of red blood cells that carry oxygen to your cells.Combined, our Grass-Fed Heart & Spleen supplement offers an excellent way to achieve optimal energy levels.