Nature's Bounty Fish Oil and Vitamin D3 formula makes up a healthy dietary supplement. Fish oil is rich in omega-3 fatty acids that are essential for health and development. Nature's Bounty obtains fish oil an environmental friendly manner. This supplement also contains “good fats” such as DHA and EPA, they regulate cardiovascular health and blood circulation. It encourages overall wellness of bones, hearth and immune system. The capsules are made with a rapid release formula, which means they dissolve quickly into the body.