Bob's Red Mill Gluten Free Baking Soda - 16 oz. (1 lb / 453g) Bob's Red Mill Gluten Free Baking Soda is plain bicarbonate of soda, a top quality leavening agent, used in combination with buttermilk, cocoa, and other acidic ingredients for baking. It is made from the deposits of mineralized sodium bicarbonate. It is extracted by an all natural process that uses no chemicals. When used in combination with acidic ingredients, such as buttermilk or molasses, it releases carbon dioxide that causes the batter or dough to rise. It's also a great household cleanser and odor absorber. A Leader in Gluten FreeFor over 30 years, the Bob's Red Mill family has been committed to providing the very best in Gluten Free flours, cereals, baking mixes, and grains for their friends on Gluten Free diets. So you could say they know a thing or two about what it takes to make a wide variety of the best products available. You see, they thoroughly batch test every Gluten Free product in their quality control laboratory upon delivery, during production and after packaging. To assure the integrity of all of their Gluten Free products, they adhere to a standard of no more than 19 parts per million of gluten. They've even built a separate Gluten Free packaging division complete with specialized machinery to make sure that the products maintain purity - just as nature intended. By going to these lengths, they're able to ensure that folks with wheat allergies, celiac disease, and gluten intolerance can trust that Bob's Red Mill products are safe to consume. Dedicated to Sourcing the Purest Grain AvailableBy now, you folks realize that Bob's Red Mill provides the country's safest and best Gluten Free products available. But this didn't just happen overnight; they learned through the years that it takes passion and dedication to make sure gluten free products are actually gluten free.