Cold and Flu Liquid, 2 oz., Quantum Cold & Flu extract contains an herbal combination of elderberry, echinacea and goldenseal to provide immune support during cold and flu season. As a tea or aid to the diet. Use 30 drops in hot or cold water 3 times daily. Nutritional Support for Cold & Flu. The plants used to make this extract are either harvested wild or naturally grown without the use of chemicals. All herbs are unfumigated and processed to retain all possible vital elements. Ingredients: Fresh undried Echinacea Purpurea (Whole Plant), Goldenseal Root, Elderberry, Alcohol and Distilled Water, Elderberry 40%, Echinacea 30%, Purpurea 20%, Goldenseal Root 10%, Echinacea Angustifolia, in a base of alcohol 20%, and Water.