Reddi-wip does not contain gluten. Its ingredients include cream, water, sugar, corn syrup, nonfat milk, mono- and diglycerides, natural flavor, carrageenan, and nitrous oxide (a propellant). Of the 9 major allergens, Original Reddi-wip contains only milk. But if you're looking for a dairy-free alternative, Reddi-wip now makes almond and coconut varieties.