Kampo4Cold product line is composed of four classical herbal formulas designed to help ease uncomfortable during the cold and flu*. These products are carefully formulated based upon ancient Oriental medicine and revolutionarily tested and manufactured in Japan. The centuries-tested combination of each formula creates an integrated remedy that is much more effective than the total of each herb separately. Established in 1931, Honso Pharmaceutical is a leading manufacturer exclusively focused on Kampo (Japanese herbal medicine) innovation. Its pharmaceutical GMP facility ensures the potency of every ingredient at their unparalleled high quality.