Arm Hammer Baking Soda is pure, safe and natural.America’s #1 Trusted Baking Soda Brand. WARNINGS:Ask a doctor before use if you have a sodium restricted diet.Ask a doctor or pharmacist before use if you are taking a prescription drug. Antacids may interact with certain prescription drugs. Do NOT administer to children under age 5. STOMACH WARNING: To avoid serious injury, do NOT take until the powder is completely dissolved. It is very importantnot to take this product when overly full from food or drink. Consult a doctor if severe stomach pain occurs after taking this product.Stop use and ask a doctor if symptoms last more than 2 weeks.