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Gladiator Vanilla (20 oz)

Gladiator Vanilla (20 oz) at Smoothie King has 220 calories, 45g protein, 3g carbs and 3g fat — sourced from Smoothie King Nutrition, not AI guesses. Gladiator Protein blend (whey isolate, egg white, micellar casein), vanilla, water; no fruit add-ins.

Gladiator Vanilla (20 oz)
220calories
45gprotein
3gcarbs
3gfat
High protein Low cal Keto Contains dairy, eggs
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At Smoothie King, the Gladiator Vanilla (20 oz) is a strong cutting pick — high protein for relatively few calories and keto- and low-carb-friendly. That works out to 20.5g of protein per 100 calories — 20g above the 25g Smoothie King average. Its macros land at roughly 82% of calories from protein, 5% from carbs and 12% from fat. Contains dairy, eggs.

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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Gladiator Vanilla (20 oz) — common questions

How much protein is in the Gladiator Vanilla (20 oz) at Smoothie King?
The Gladiator Vanilla (20 oz) has 45g of protein. It's the #2 highest-protein item on the Smoothie King menu we track. It also has 220 calories, 3g carbs and 3g fat, per Smoothie King Nutrition.
How many calories are in the Gladiator Vanilla (20 oz)?
The Gladiator Vanilla (20 oz) at Smoothie King has 220 calories, according to Smoothie King Nutrition.
Is the Gladiator Vanilla (20 oz) keto-friendly?
Yes — the Gladiator Vanilla (20 oz) has just 3g of net-ish carbs, which fits most keto and low-carb targets. It has 45g protein and 3g fat.
Does the Gladiator Vanilla (20 oz) contain allergens?
Per Smoothie King Nutrition, the Gladiator Vanilla (20 oz) contains dairy, eggs. Preparation and cross-contact vary by location — check with the restaurant if you have an allergy.
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