Grass fed beef fat contains a powerful fat burner called Conjugated Linoleic Acid that is sold as a supplement at vitamin stores for ridiculous prices. CLA has been proven to reduce body fat and increase lean muscle mass. There is 300-500% more CLA in grass fed animals than in corn fed animals. The CLA pills sold supplement stores are made from Safflower oil which is likely oxidized and rancid so it is much better to get CLA from heat-stable grass fed animal fat.