Ki Cold & Flu Attack Formula contains a combination of natural ingredients and clinically trialled Andrographis to help fight the symptoms of the common cold and flu. Taken at the first sign of infection and fever, it can help reduce the duration and severity of acute infections and reduce the duration. Andrographis paniculata leaf (KalmCold™) A standardised form of Andrographis which has been scientifically tested* to help relieve symptoms of the common cold and flu, and to help reduce the duration. Zingiber officinale fresh rhizome (Ginger) Traditionally used in Chinese medicine to help clear nasal passages and relieve chesty coughs. Zinc Helps to support a healthy immune system * Saxena R.C., et al. (2010). A randomized double blind placebo controlled clinical evaluation of extract of Andrographis paniculata (KalmCold™) in patients with uncomplicated upper respiratory tract infection. Phytomedicine, 17, 178-185. Natural Remedies Pvt Ltd, the manufacturer of KalmCold™, was a financial sponsor of this trial .