Free Healthy to Go Drink Mix Samples Click the link to go to the sign up form. Be sure to put KIWI SAMPLE in the ‘Other Source’ field of the form to receive your free samples and coupons. Free Healthy to Go Drink Mix Samples No related posts. Sign up for our daily newsletter and never miss a deal again! As a subscriber, you'll be the first to know about new offers and discounts on SweetFreeStuff.com! Enter your e-mail: