Get a FREE Winter Wellness Essentials Sample Box with FREE Shipping. The free sample box includes Theraflu, Advil, Clorox Wipes, Kleenex Tissues, Emergen-C Supplements. In order to get this freebie, you need to click on the “Get FREE” button and download the app, sign-up and verify your email. Thereafter scroll down to the bottom to find the offer click on it and fill out the form. While supplies last. US only.