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Original High Protein Banana (20 oz)

Original High Protein Banana (20 oz) at Smoothie King has 340 calories, 27g protein, 35g carbs and 12g fat — sourced from Smoothie King Nutrition, not AI guesses. Bananas, almonds, dairy whey blend, whey protein.

Original High Protein Banana (20 oz)
340calories
27gprotein
35gcarbs
12gfat
Low cal Contains dairy, nuts
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At Smoothie King, the Original High Protein Banana (20 oz) is low in fat and light on calories. That works out to 7.9g of protein per 100 calories — 2g above the 25g Smoothie King average. Its macros land at roughly 32% of calories from protein, 41% from carbs and 32% from fat. Contains dairy, nuts.

Source: Smoothie King Nutrition ↗, last verified Jun 18, 2026. Menus change periodically; values may vary by location. How we verify →

See all 14 Smoothie King meals →  ·  Highest-protein Smoothie King meals →

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Original High Protein Banana (20 oz) — common questions

How much protein is in the Original High Protein Banana (20 oz) at Smoothie King?
The Original High Protein Banana (20 oz) has 27g of protein. It also has 340 calories, 35g carbs and 12g fat, per Smoothie King Nutrition.
How many calories are in the Original High Protein Banana (20 oz)?
The Original High Protein Banana (20 oz) at Smoothie King has 340 calories, according to Smoothie King Nutrition.
Is the Original High Protein Banana (20 oz) good for weight loss?
At 340 calories it's one of the lighter options at Smoothie King, with 27g of protein to help you stay full.
Does the Original High Protein Banana (20 oz) contain allergens?
Per Smoothie King Nutrition, the Original High Protein Banana (20 oz) contains dairy, nuts. Preparation and cross-contact vary by location — check with the restaurant if you have an allergy.
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