Swanson Vitamin D-3 delivers 5,000 IU (125 µg) of cholecalciferol per softgel — the form of vitamin D most readily used by the body. Each tub contains 250 softgels, making it a substantial supply for those looking to keep this widely used nutrient consistently stocked at home.
Cholecalciferol is the same form of vitamin D that the skin produces naturally in response to sunlight, and it’s a firm staple in the supplement routines of athletes, office workers, and those living in lower-sunlight climates alike. The softgel format is easy to swallow and well suited to fat-soluble nutrients such as vitamin D.
Swanson is a long-established American supplement brand with a reputation for straightforward, single-ingredient products manufactured to consistent quality standards. This vitamin D-3 is a no-frills, high-potency option for anyone who prefers a dedicated supplement over a general multivitamin.





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