Phazyme is the name you turn to when you need serious gas relief. Our Maximum Strength 250 mg dosage in a great tasting cherry flavor chew is the strongest dosage you can buy without a prescription. Since its beginning, Phazyme has been known as strong, serious, reliable medicine, providing the highest dosage of simethicone, the Number One anti-gas ingredient recommended by physicians and pharmacists. Phazyme Gas & Acid Chews contain the strongest anti-gas medication available to treat the bloating, pressure, and discomfort of gas. Whether it's gas alone or gas and acid combined, Phazyme delivers serious relief you can count on.