How many calories are in Whey protein?

Whey protein contains 137 calories per serving (7% of the 2,000 kcal daily value), with 1g fat, 2g carbs, and 29g protein. This nutritional data is based on AI-powered meal analysis by SimpliFit.

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How many calories and nutrients are in Whey protein

Total weight: 35g
137.0
kcal
29g
Protein
1g
Fat
2g
Carbs

Nutritional value of Whey protein per 100 grams

391.4
kcal
82.9g
Protein
2.9g
Fat
5.7g
Carbs

What's inside Whey protein

Ingredient Amount Calories Protein Fat Carbs
Whey protein concentrate/isolated (generic blended) 35g 391.4 kcal 82.9g 2.9g 5.7g

Where do the calories in Whey protein come from

7%
6%
85%
Fat 7% Carbs 6% Protein 85%

How Whey protein fits into your daily diet

Nutrient Amount % Daily Value
Calories 137 kcal 7%
Protein 29g 58%
Fat 1g 2%
Carbs 2g 1%

Based on a 2,000 kcal daily reference diet.

How long it takes to burn off the calories from Whey protein

🏃
Jogging
14 min
🚴
Cycling
16 min
🚶
Walking
32 min

Estimates for a 70 kg (154 lb) person. Actual values vary by body weight and intensity.

Common questions about Whey protein

How many calories are in Whey protein?

A full serving of Whey protein contains approximately 137 kcal. The total serving weighs about 35g. Per 100 grams, that works out to 391.4 kcal.

Is Whey protein good for weight loss?

Whey protein has a high calorie density at 391.4 kcal per 100g. If you are watching your weight, keep portions small and balance it with lower-calorie foods throughout the day.

How much protein is in Whey protein?

A serving of Whey protein provides about 29g of protein from a total serving weight of 35g. That is 82.9g of protein per 100g, which covers roughly 58% of the recommended daily intake of 50g.

What is the easiest way to track Whey protein calories?

The easiest way to track Whey protein is with SimpliFit. Just snap a photo of your meal and the AI instantly estimates calories and macros — no manual searching or barcode scanning required.

How does Whey protein compare to similar meals?

Meal Weight Calories Protein compared to this
Whey protein 45g 176.4 36.9g +39 kcal, more protein
Whey protein 30g 120.0 24g -17 kcal, less protein
Whey Protein 40g 160.0 32g +23 kcal, more protein
Whey protein 40g 160.0 32g +23 kcal, more protein
Whey Protein 35g 140.4 29.8g +3 kcal, more protein