Wendals Herbs Special Respiration - natural respiratory herbal mix. With this finer variation, horses tend to inhale more for extra support of normal, mucus-free lungs. Contains aniseed, coltsfoot, fennel seed, garlic, horehound, liquorice powder, nettles, red clover and thyme. Give average horse 2-3 scoops daily. 2.2 lbs lasts about 28 days.