Introducing Immune System Support baby food blends from Beech-Nut! Bananas, pumpkin and oranges are blended with 35mg of beta-glucan to help support a strong and healthy immune system. This baby food puree contains no artificial preservatives, colors or flavors and no added sweeteners. Free of the following allergens: dairy, gluten, peanut, soy, egg. Beech-Nut Stage 4 baby food jars are ideal for infants 12 months and older.