Natural Factors Echinamide Fresh Herb ExtractNatural Factors ECHINAMIDE Clinical Strength Fresh Herb Extract harnesses the power of nature to help you fight the common cold. The only phytomedical with standardized levels of Echinacea purpureas three key active compounds, ECHINAMIDE is clinically proven to reduce the duration and severity of infections, so you get better faster. Immune booster, inhibiting viruses, bacteria, and candida yeast Used at the first sign of a cold or flu Proven