The #1-selling omega-3 in the U.S., Ultimate Omega provides high-intensity support for both body and mind. Without solicitation, doctors and researchers worldwide consistently choose and recommend this powerful formula. Concentrated Ultimate Omega includes more omega-3s per serving than most other omega-3 products. This means you get more health benefits in a smaller serving. Nordic Naturals also offers this formula with added vitamin D3. Clinically shown to support a healthy heart.