Updated December 29, 2020 11:43 a.m. EST Smoothie King is giving away a free Metabolism Boost Smoothie when you share a wellness goal on their website from December 29, 2020 through January 2, 2021! You have until Jan. 7 to redeem the offer. The promotion starts on Dec. 29 at 9 am ET at Everyone who shares a wellness goal between December 29 – January 2 will receive a reward for a free 12 oz. Metabolism Boost smoothie (of any flavor). The first 50 to sign up will be notified via email that they have won free smoothies for a year. The free 12 oz. Metabolism Boost smoothie will be loaded on to your Healthy Rewards app . If you are lucky enough to win the free year of smoothies, they will be awarded as a gift card valued at $350 (which is basically the same price as one smoothie a week).