Get a Free Sample of Prilosec OTC. Just fill out the form and answer a few questions To insure you get your sample you should answer “2-3 days a week” in order to qualify. You have to qualify for this free sample so just indicate that you have frequent issues with heartburn to qualify for the Free Sample of Prilosec OTC. Allow 6 to 8 weeks for delivery! This is great to have just in case you need it. You can also pay it forward to someone that takes it regularly! Get the free Prilosec sample now.