Arm & Hammer Pure Baking Soda, available in a 454g box, is a versatile product with numerous benefits. It acts as a powerful leavening agent in baking, creating light and fluffy pastries. It's also a natural cleaning agent and deodorizer for various household applications, including laundry and refrigerators. Additionally, it can be used to relieve heartburn, acid indigestion, sour stomach, and upset stomach.