Earthborn Elements Baking Soda 200 Capsules Baking Soda is also known as Sodium Bicarbonate Pure & Undiluted: Never any additives or fillers Our Dietary Supplements are made from pure ingredients, without added fillers, additives, or preservatives. We don't use rice flour, magnesium stearate or other bulk agents in our processes, so that what you want is all you get.