Hill's Science Diet: They have a range of prescription and non-prescription hypoallergenic dog food options.
Royal Canin: Royal Canin offers specialized diets for dogs with food allergies and sensitivities.
Purina Pro Plan Veterinary Diets: They have hypoallergenic formulas for dogs with food allergies.
Blue Buffalo Basics Limited Ingredient Diet: Blue Buffalo offers limited ingredient diets with novel protein sources and grain-free options.
Natural Balance L.I.D. Limited Ingredient Diets: Natural Balance provides various limited ingredient formulas for dogs with allergies.
Canidae Grain-Free PURE: Canidae offers grain-free options with single animal protein sources.