Free Upsize Friday is a promotion at Smoothie King that allows Healthy Rewards members to get a 32 oz smoothie for the price of a 20 oz every Friday. To get the free upsize, you must order through the app or scan in store and apply the deal.

How to get the free upsize 

  1. Join the Healthy Rewards program
  2. On a Friday, order a 20 oz smoothie through the app or scan in store
  3. Apply the Free Upsize Friday deal
  4. Get your 32 oz smoothie for free

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