Equate Omeprazole Delayed Release Tablets 20 mg work differently from other heartburn products, such as antacids and other acid reducers. The active ingredient is omeprazole 20 mg, an acid reducer which stops acid production at the source - the acid pump that produces stomach acid. Use once a day (every 24 hours), every day for 14 days. These tablets may take 1 to 4 days for full effect, although some people get complete relief of symptoms within 24 hours. Make sure you take the entire 14 days of...