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Smoothie King Giving Away FREE Protein Coffee Smoothies September 28–29!

By Liz | Staff Writer

Sep 25, 2026 @ 2:10 PM MDT

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Coffee smoothie on smoothie King countertop surrounded by coffee beans

National Coffee Day is almost here, and Smoothie King is planning to celebrate with a tasty freebie!

On September 28th and 29th, Smoothie King Healthy Rewards members can score a FREE 12 oz. Coffee High Protein Almond Mocha Smoothie at participating locations nationwide (limit one free smoothie per member)! This protein-packed smoothie is made with cold brew and has 14g of protein, 3g of fiber, and 0g of added sugar.

HIP TIP: Not a Healthy Rewards member yet? Sign up before September 28th so you’re ready to snag your freebie! Keep in mind this is a one-time offer, so while you have 2 days to redeem it, you can only score one free smoothie total.

Healthy Rewards (free to join) allows members to earn points with every purchase, redeem and combine rewards, and order ahead with mobile ordering. The moment you sign up, you’ll earn $2 off your first purchase and get a free smoothie for your birthday!

National Coffee Day Is September 29th – Don’t Miss These Freebies!

About the writer:

Liz has over a decade of experience writing about coupons and frugal living. She’s always searching for the best deals and loves helping people save!