Grass-Fed Butter and Grass-Fed Cheese are amongst the world's best kept nutritional secrets. The cheeses have Omega-6 to Omega-3 ratios of 0.7:1 and the butters are 1:1. These fatty products have perfect balances of essential fats for optimizing your health. They are good for the nervous system, brain function, and immune system. This is why eating proper fats is good and why margarine was one of man's worst inventions.