Purosure Vitamin D3 is a high-strength cholecalciferol supplement providing 4000 IU per serving to support normal immune system function, bone health, and calcium absorption.

Key features

• 4000 IU (100 µg) cholecalciferol per tablet for effective daily supplementation.
  
• 365 tablets offer a full year's supply at one tablet daily.
  
• Contributes to normal bones, teeth, muscle function, and cell division.