Vitamin C 500 mg

Strengthens the first line of defense

  1. Improves respiratory epithelial barrier function against pathogenic invasion

  2. Maintains barrier integrity by collagen synthesis as well as antioxidant action

Vitamin D3 1000 IU

Strengthens the second line of defense

  • Stimulates the phagocytic macrophages to enhance innate cellular immunity
  • Increases production of endogenous antimicrobial cathelicidin in macrophages

Zinc sulphate 33 mg

Strengthens the third line of defense

  • Plays essential role to improve T-cell count as well as function
  • Improves T-cell dependent antibody production & humoral immune response