Aluminum-free baking powder is basically harmless to people. Aluminum-free baking powder is a combination of acidic bulking agent calcium bicarbonate, alkaline bulking agent sodium bicarbonate, ammonium bicarbonate and starch, etc. It can be used for the fermentation of flour and the production of a variety of fermented foods, such as: bread, cookies, steamed bread and so on. Aluminum baking powder does not contain aluminum, its main components are calcium bicarbonate, sodium hydrogen phosphate, etc., and its heat decomposition products are basically harmless to the human body. When using non-aluminum baking powder to make food, it must be prepared in accordance with the ratio, and do not consume too much, so as not to burden the gastrointestinal tract and adversely affect your health.