Swisse Ultiboost Immune Action is a premium quality formula with Andrographis 2.25 g. Take when symptoms first occur to help reduce the severity and duration of the common cold. Common Cold Relief: Vitamin C helps reduce the duration and severity of common cold symptoms, which can include sore throat, blocked or runny nose, dry cough and mucous congestion. Immune Support: Vitamin C helps maintain the immune system to fight illness. Mild Tonsillitis & Sinusitis Relief: Andrographis helps relieve symptoms of mild tonsillitis and sinusitis, and helps reduce the symptoms and occurrence of the common cold. Relieves Mild Upper Respiratory Tract Infections: Andrographis helps relieve the severity of symptoms of mild upper respiratory tract infections. Comprehensive Formula: Also contains echinacea, zinc and sambucus.