Alka-Seltzer Heartburn Relief Extra Strength delivers immediate symptom resolution through its innovative effervescent formula that begins working the moment it dissolves in water. The extra-strength formulation targets severe heartburn, sour stomach, and acid indigestion with maximum efficacy, neutralizing excess stomach acid while providing a gentle, cooling sensation without the chalky residue of traditional antacids. The convenient 24-tablet pack ensures accessible relief at home, work, or on-the-go whenever digestive discomfort emerges. With over 80 years of proven performance, Alka-Seltzer remains the trusted choice for fast, effective heartburn management backed by generations of consumer confidence.