Health-conscious people looking to support strong, healthy bones and teeth know that Vitamin D is a must-have vitamin supplement Vitamin D manages how much calcium gets distributed to your blood, bones, and digestive system Specifically, Vitamin D aids calcium absorption into your bones, which helps build them up and stay strong Bone health: Vitamin D3 (cholecalciferol) is crucial for maintaining strong and healthy bones COMBATS VITAMIN D DEFICIENCY - Aside from the Vitamin D we get from our time spent in the sun, there are many food sources of Vitamin D as well. Fish like salmon, sardines, mackerel, and tuna are excellent sources of Vitamin D, as is cod liver oil. To a lesser extent eggs, raw milk and mushrooms contain vitamin d as well. Each Swanson Vitamin D3 Sgel capsule contains 25 mcg of Vitamin D3 as cholecalciferol for 125% of the daily recommended value. FORMULATED WITH SCIENCE, CRAFTED WITH CARE: Based in Fargo, ND, our team of pharmacists, scientists, food nutritionists & quality experts ensure that every product is tested. OUR QUALITY & HERITAGE - We're control freaks.in a good way! For nearly 5 years, Swanson Health has delivered science-backed health products worldwide. In 1969, we began in Fargo, ND with a mission to offer wellness solons that help people live simply healthier together. Our facilities are Good Manufacturing Practice (GMP) certified, and our purity and potency testing includes independent third-party labs. Clinical research, scientific consensus and usage traditions guide our innovation.