Life-On Vitamin D3 1000 Iu Is A Dietary Supplement That Provides 1000 Iu Of Vitamin D3 (Cholecalciferol) Per Capsule. Vitamin D3 Is Essential For Maintaining Bone Health, Supporting Immune Function, And Enhancing The Absorption Of Calcium And Phosphorus In The Body. This Supplement Is Ideal For Individuals Who May Have Low Vitamin D Levels Due To Limited Sun Exposure Or Dietary Intake.