To score the deal, simply order a smoothie via the brand’s Healthy Rewards app on National Smoothie Day and you’ll automatically receive a credit in your account for a free 20-oz smoothie redeemable from June 22 to June 27, 2021.

Smoothie King’s National Smoothie Day BOGO deal is valid at participating locations for one day only on Monday, June 21, 2021.

Image – Smoothie King

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