Esomeprazole 20 mg Acid Capsules 42 ct, QC99636 quality-choice-products Sale! This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Compare to the Active Ingredient in Nexium 24 Hr. Treats frequent heartburn (occurs 2 or more days a week). Can take 1 to 4 days for full effect. Clinically proven to treat frequent heartburn.