Yin Chao is a fast absorption Medicinal Botanical product . No Gluten, No Dairy (Milk or Lactose), No Soy, No Nuts, No Egg, No Fish or Shellfish, Sustainable for Vegetarians. No Artificial Preservatives, Sweeteners or Colors. Traditional Uses: 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. It is a super immune booster. I use it daily and I see great results. Safety Information Do not take during pregnancy or while nursing. Keep out of the reach of children. Shake well before using. Ingredients Amount Per Serving: 500 mg/ml Herb Weight Equivalence Isatis Root, Ilex Root, Chrysanthemum Flower, Forsythia Fruit, Lonicera Flower, Lophatherum Herb, Pueraria Root, Schizonepeta Herb.