Is aluminum-free double-effect baking powder harmful to human body?

Harmless. Aluminum-free baking powder ingredients: chemical leavening agent with sodium bicarbonate and other compounds as the main ingredients, which makes food softer and tastes better by producing carbon dioxide.

Harm of aluminum to human body: Alum, potassium aluminum sulfate and ammonium aluminum sulfate in aluminum-containing baking powder will do harm to human body, causing vomiting, diarrhea and other symptoms. Aluminum-free baking powder does not contain the above ingredients, so it is harmless.