Better Bodies Unlimited krill oil contains oil from 100 percent pure Antarctic krill, tiny crustaceans that thrive in the pristine waters of the Antarctic Ocean. It provides an optimal combination of omega-3 fatty acids DHA (docosahexaenoic acid) and EPA (eicosapentaeonic acid), essential fatty acids that may reduce the risk of coronary heart disease. Krill oil has been shown to significantly increase your omega-3 index in just 30 days. The Omega-3 Index is a measure of the amount of omega-3 fatty acids in your body's cells. A higher Omega-3 Index is associated with better cardiovascular health and other health benefits.