Found more freebies? Tell us about them in the comments! Free Sample of Adult’s Dental Care Probiotic Lozenges (Peppermint) – Click on the “Free Sample” tab and complete the form to receive a free sample of Adult’s Dental Care Probiotic Lozenges in Peppermint. Free 25-Count Dulcolax Gentle Stool Softener Liquid Gels at Walmart and Target – Most Walmarts and Targets sell 25-Count Dulcolax Gentle Stool Softener Liquid Gels for $4.99.