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How Many Calories in Whey Protein Shake?

1 scoop in water (~300 ml) has about 130 calories.

Why estimates miss: Whey Protein Shake is a multi-ingredient dish. Mixing with milk instead of water can add 80-120 calories and shift the macros. Generic calorie apps undercount the hidden oil, sauce and portion — CalDesk AI's photo estimate is tuned to catch exactly this.

Nutrition (1 scoop in water (~300 ml))

Calories130 kcal
Protein25 g
Carbs4 g
Fat2 g

Where the calories come from

About 75% of the calories come from protein, 12% from carbs and 13% from fat.

Based on the Atwater factors: 4 calories per gram of protein and carbohydrate, and 9 calories per gram of fat.

Calories by portion size

Portion Calories Protein Carbs Fat
1 scoop in water (~300 ml)130 kcal25 g4 g2 g
Half serving65 kcal12.5 g2 g1 g

Values are estimates for a typical serving and vary by preparation. Not medical or dietary advice.

Measure it from a photo — get CalDesk AI

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