Hills Prescription Diet Derm Defence is the first & only clinical nutrition formulated to support skin function in dermatosis due to environmental causes by maintaining normal immune system and helping the skin barrier against future episodes.Key BenefitsHistaGuard complex, a proprietary blend of bioactives and phytonutrients.Continuously maintains normal immune system with natural sources of polyphenols.Supports skin health with Vitamin A, zinc and essential fatty acids.Dampening the immune response to environmental allergens by suppressing histamine release.Please consult your vet for further information and guidance on what is best for your dog.IngredientsMaize, brewers\' rice, chicken (17%) and turkey meal, maize gluten meal, digest, dried whole egg, soybean oil, flaxseed, animal fat, dried beet pulp, fish oil, minerals, vitamins, taurine, trace elements, and beta-carotene. With a natural antioxidant (mixed tocepherols).Analytical ConstituentsProtein 20.8%, Fat 15.5%, Carbohydrate (NFE) 48.8%, Fibre (crude) 1.5%, Moisture 8.5%, Calcium 0.68%, Phosphorus 0.55%, Sodium 0.27%, Potassium 0.78%, Magnesium 0.08%, Omega-3 1.66%, Omega-6 4.36%, Essential fatty acids 6.02%Feeding Guide Body Weight kg Dry grams 2.5 50 - 70 50 85 - 115 10 140 - 195 20 235 - 325 30 320 - 445 40 400 - 550 50 470 - 650 60 + 10g per kg