"Antacid tablets" are pills or tablets that can help relieve problems like heartburn or indigestion by reducing the amount of acid in your stomach. Full definition
While waiting for the book to be delivered you might also want to check out what Dr. John Bergman has to say on YouTube in his short «Digestive Disorders Health Rant» posted up a few years ago, he does a good job on explaining why your acid reflux may only get worse with antacid tablets or prescription meds. (traditionalcookingschool.com)
Calcium carbonate antacid tablets are a fine addition to the homemade mix. (dogcare.dailypuppy.com)
Carbonate rock, including reefs, will start dissolving, like «a giant antacid tablet,» as Charlie describes it. (scientificamerican.com)