Bake confidently using our Bob's Red Mill Organic Xanthan Gum 8 Oz. Xanthan gum is a natural, plant-based thickener great for gluten-free and vegan baking. Our xanthan gum is certified organic, ensuring it is free from harmful chemicals and additives. It is a great way to add structure and elasticity to your baked goods, ensuring they turn out perfectly every time.