Health Aid Vitamin D3 1000 Iu Oral Spray Contains 1000 Iu Of Vitamin D3 (Cholecalciferol) Per Serving. This Spray Is Designed To Provide An Easy And Convenient Way To Supplement Your Daily Vitamin D Intake. Vitamin D3 Plays A Crucial Role In Maintaining Healthy Bones, Supporting The Immune System, And Promoting General Well-Being.