Each 1/2 teaspoon contains 616 mg sodium. Misc: America's No. 1 trusted baking soda brand. The standard of purity. Hundreds of uses like: scratchless cleaning. Change every 30 days. For a Fresher Cleaner Home: Arm & Hammer Baking Soda is pure, safe and natural. For Scratchless Cleaning: Scrubs away stains and grease without scratching. Sinks, tile & grout, counters, microwaves, ovens, pots & pans, refrigerators, stainless steel, coffee pots, china. Use a new box each month for fresher tasting food. Amount in a serving of baked food. The Arm & Hammer Money Back Guarantee: We unconditionally guarantee 100% satisfaction.