Solgar Vitamin D3 (Cholecalciferol) 1000 IU (25 µg) Tablets – Pack of 90 Solgar Vitamin D3 (Cholecalciferol) 1000 IU (25 µg) Tablets deliverVitamin Din the form that is easiest to use by yourBody,vitamin D3. 90 Tablets. Vegetarian. Gluten Free. A premium formula delivering vitamin D in the form that is easiest to use by the body. Contributes to the normal function of theImmune System, the maintenance of normal bones & teeth, normal absorption ofCalcium&Phosphorus, normal blood calcium levels and to the maintenance of normal muscle function. What is vitamin D3 used for? Supporting optimal wellbeing, the benefits of the sunshine vitamin are numerous and well documented, but particularly forImmune Supportand theJoints & Bones.