Omega-3 fatty acids are essential fatty acids, which be obtained from the diet or through supplementation. Omega-3 is a great source of polyunsaturated fatty acids, EPA and DHA that have a wide array of important functions in the body. Several scientific studies support the effective use of omega-3 fatty acids in a variety of conditions, including maintaining cardiovascular health, healthy eyes, skin and muscles. It can also help improve skin health and provide relief to minor skin complaints.