An Introduction to Baking Soda Baking Soda is the everyday miracle as it is very versatile and a multi-purpose product. Baking Soda is sodium bicarbonate, a naturally occurring substance which is present in all the living beings. It helps maintain the pH balance which is necessary for life. Baking Soda is made from soda ash, which is known as sodium carbonate. Soda ash is obtained in 2 ways; mined in the form of an ore called trona, maufatured by passing carbon dioxide and ammonia through a concentrated solution of sodium chloride.