"S" Utilin 7X Capsules may help to support a healthy Immune System. Used in conjunction Nigersan drops or Suppository's. Nigersan drops or Suppository's are Prescribed with Alkala N + Citrokehl Drops. "S" Utilin 7X Capsules are recommended One capsule per week Last thing at night before Bed. Or as directed by your Health care Practitioner.