Smoothie King Offers Free Protein-Packed Coffee Smoothies for National Coffee Day

Smoothie King has announced a special promotion for National Coffee Day by providing Healthy Rewards members with a free 12 oz. Coffee High Protein Almond Mocha Smoothie on September 28 and 29 at participating locations across the United States. The promotion starts a day before the official National Coffee Day.

This limited-time offer features a smoothie made with cold brew crafted from 100% Arabica beans. It contains 14 grams of protein, 3 grams of fiber, and no added sugar. Smoothie King, known for its focus on nutritious blends, has included protein as a core element of its offerings, especially in its Coffee High Protein Smoothies lineup.

Founded in 1973, Smoothie King has grown into a leading smoothie franchise with over 1,200 units nationwide. The company aims to inspire a healthy and active lifestyle through its offerings. In recent years, the brand expanded beyond smoothies by introducing Smoothie Bowls in April 2023 and launching its Power Eats Menu in 2025, which was recognized for healthful innovation in 2026.

According to Entrepreneur Magazine, Smoothie King was ranked #17 in the 2026 Franchise 500 list and has been repeatedly recognized for its franchise opportunities. It also appears in ranked lists such as the 2025 Fast Casual Top 100 Movers & Shakers.