Dr. Shen's Colds And Flu Yin Chiao - 750 Mg - 90 TabletsDr. Shen's Colds and Flu Yin Chiao Description: Use the first sign of cold or flu Used at the first sign or during the first two days of cold or flu. Also used when exposed, or likely to be exposed to cold or flu. Disperses Wind Heat, Clears Heat, Relieves Toxicity. Free Of Drugs, dyes pharmaceuticals, animal products or unlisted ingredients. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose,