Omegas can be found in fish oils, nuts and plant oils. However, many people do not consume as many of these omegas (particularly omega-3 and omega-6) and fish oils as they should to maximize the healthy benefits that can be seen with these. For these reasons, a dietary supplement of omegas and fish oils is highly recommended. Additionally, many of the fish that contain the highest levels of fish oil carry with them a higher risk of contamination by such things as mercury, and also tend to be more expensive and harder to find. The benefits of omega and fish oil supplements range from lowering the bad fats in the body, lowering the risk of heart disease and strokes, and lowering blood pressure. The effects of improved brain health and acuity have also been scientifically demonstrated, along with demonstrated ability to improve athletic capacity.