24 hr. Acid reducer. Treats frequent heartburn! Three 14-day courses of treatment may take 1 to 4 days for full effect. Compare to Prilosec OTC (This product is not manufactured or distributed by the owner of the registered trademark Prilosec OTC). 100% Quality Guaranteed: Like it or let us make it right. That's our quality promise. supervaluprivatebrands.com. Questions or comments? 1-877-932-7948 Made in Israel.