ENO’s unique formula gets to work in just 6 seconds.¹
It neutralizes excess stomach acid upon contact.
Find out how ENO® ingredients work to provide fast relief.
See how ENO® compares to other antacids.
¹ A Comparison of the Effect of Regular Eno® and Placebo on Intragastric pH in Healthy Fasted Subjects .
Does not imply relief.
New ENO® Cooling
Frequently Asked Questions