LifeSource Foods Oat Fiber 500 (3 LB) Keto, Zero-Carb, Gluten-Free, All-Natural Fiber for Low-Carb Baking and Bread, OU Kosher, Resealable Pouch

Ingredients: 100% Oat Fiber. Note: LifeSource Foods Oat Fiber 500 is gluten free, although it is made in a plant that processes wheat, soy, eggs, and milk.