Because allergies can manifest in various ways, including skin reactions such as redness, itching, swelling, or hives...our formulas will never include the nine major substances identified as food allergens by the US FDA. These are: Milk Eggs Fish (e.g., bass, flounder, cod) Crustacean shellfish (e.g., crab, lobster, shrimp) Tree nuts (e.g., almonds, walnuts, pecans) Peanuts Wheat Soybeans Sesame Learn more about the 9 Major Food Allergens