105mg of extract (as dry extract) from Echinacea purpurea root (equivalent to 630mg-840mg of Echinacea purpurea (L.) Moench, root). Extraction Solvent Ethanol 75% v/v. This product also contains the following ingredients: Excipients in the extract: Maltodextrin, Colloidal Anhydrous Silica. Tablet Core: Maltodextrin, Microcrystalline Cellulose, Sodium Croscarmellose, Stearic Acid, Magnesium Stearate, Colloidal Anhydrous Silica. Tablet Coating: Hypromellose, Glycerol.