Protein & Fiber. 

Bob's Red Mill Nutritional Booster Protein & Fiber Powder with Chia & Probiotics Unflavored & Unsweetened is a unique blend made from pea protein powder, chicory root fiber, chia seeds, beneficial probiotics, and is unflavored/unsweetened for versatility. It is gluten free, vegan, a good source of omega-3, excellent source of iron, and high in protein and fiber.