-Prilosec OTC provides heartburn treatment for frequent heartburn that occurs 2 or more days a week. 24 hours of heartburn relief. -Prilosec OTC is the first and original OTC frequent heartburn medicine. -Prilosec OTC contains the active ingredient (in each tablet): Omeprazole delayed-release tablet 20mg (equivalent to 20.6mg omeprazole magnesium). -Prilosec OTC is available in Original and Wildberry flavor. -One pill each morning.24 hours. Zero heartburn.* *It’s possible while taking Prilosec OTC. Use as directed for 14 days to treat frequent heartburn. May take 1-4 days for full effect.#1 Doctor† recommended OTC frequent heartburn treatment medicine for 10 straight years.