Five Natural Antacids And Seven Tips To Avoid Heartburn And Acidity Lavanya Lakshmi Nandakumar, Co-Founder Love4wellness.com November 10, 2021 Lavanya Lakshmi Nandakumar, Co-Founder Love4wellness.com An estimated 10% to 30% of adults suffer from heartburn at least once a month. Most of them reach out to OTC antacids for relief. Instead, try these natural remedies for heartburn.