Natural Factors SeaRich Omega-3 with Vitamin D3 - A great-tasting higher strength omega-3 oil made using the freshest, highest quality fish oil to support brain function, heart, bone, and joint health. Each teaspoon provides 1500 mg of EPA and 750 mg of DHA in triglyceride form that offers higher bioavailability and no fishy repeat, along with 1000 IU of vitamin D3. This higher strength formula is ideal for promoting healthy mood balance, supporting concentration, and learning potential in adolescents 14 years and older, as well as for adults looking to maintain cognitive function later in life. Omega-3 EPA and DHA can help reduce serum triglycerides/triacylglycerols, benefiting cardiovascular health, along with supporting immune health, and healthy skin and joints. Natural Factors SeaRich Omega-3 is sustainably sourced from sardine, anchovies, and /or mackerel and rigorously tested for purity, and certified by ISURA and IFOS.