Every cell's mitochondria contain coqio, often referred to as ubiquinone, and heart tissue contains large amounts of it. It promotes energy production and cardiovascular health. Since coqio is a fat-soluble nutrient, it is best consumed with a modest quantity of fat. We've incorporated oil into our icoqio softgels to get around this. Since our icoqio doesn't contain any chemical emulsifiers, you might observe a typical separation that has no bearing on potency.