Dr. Shen's Zong Gan Ling Severe Cold and Flu Relief Description: Chinese Herbs For Cold and Flu Used for symptomatic relief of severe or advanced head cold or flu. With symptoms such as headache, sore throat, nasal congestion, body aches, fever and chills. Free Of Drugs, dyes, pharmaceuticals and animal products. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.