Our Omega-3 Extra Strength + Vitamin D3 offers highly concentrated DHA and EPA to provide healthy brain and cardiovascular support in fewer softgels.* Now even more concentrated, each serving contains 1300 mg of omega-3 fatty acids in a more balanced ratio of DHA + EPA to mimic that found naturally in heart healthy fish. Each serving also delivers 600 IU Vitamin D3 to support a healthy immune system as well as bone health.* Our product is independently tested and certified to ensure purity from contaminants and heavy metals, including mercury and lead.