Bicarbonate of Soda is a home baking raising agent and a household cleansing friend. It can be used instead of baking powder and will help dough to rise. GLUTEN FREE Bicarbonate of Soda Ingredients: sodium bicarbonate. Allergy advice: free from gluten, milk, peanut, egg and soya. Ingredients from more than one country. Packed in the UK. Storage: replace lid and store in a cool dry place. Packaging material: PP tube and lid, paper label.