Wellness Resources^® Daily DHA^™ contains the highest quality mercury free fish oil, high in DHA omega-3 oil. DHA is needed for optimal brain function, focus, eyesight, and cardiovascular health. You get omega-3 oils from eating fatty fish like salmon or tuna. The problem is, you also get a dose of mercury from the same fish. Range raised animals that graze on grass have some omega-3 oil in their fat; however, most animals we eat do not graze on grass. Instead, they are fed corn or some other food that does not contain omega-3 oil. Therefore, most people are in need of supplemental essential fatty ...