Natural powdered blend of echinacea and other key herbs helps support immune and respiratory systems, as well as the general health and well-being of horses. Great for weanlings, older horses and horses with runny noses. Ideal for use during pollen season. Each 1/2 oz serving provides 4,252 mg echinacea, 4,252 mg eyebright, 2,835 mg cats claw and 2,835 mg osha; contains no chemicals or fillers. Not for use in pregnant animals. Dosage: 1/2 scoop twice daily. Scoop included; 1 scoop = 1/2 oz. 2 lbs lasts about 2 mos.