Promotes your dog's wellness by supporting histamine levels which help skin related concerns associated with seasonal allergies. Loaded with Nettle Leaf, Quercetin, Perilla Leaf Extract, Biotin and Vitamin E to support proper skin moisture and provide a natural source of Antioxidants. The simple Once-A-Day dosage provides a 30 Day Supply of Soft Chews for dogs up to 75 lbs.