August 17, 2009 No Comments Free Sample of Prilosec OTC from Walmart Free Sample of Prilosec OTC from Walmart Walmart is offering a free sample of Prilosec OTC®. Visit the link below and answer a few questions to see if you qualify for a free sample. Free Sample of Prilosec OTC from Walmart – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.