How many calories are in Whey protein?
Whey protein contains 140 calories per serving (7% of the 2,000 kcal daily value), with 2.1g fat, 3.5g carbs, and 27.3g 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
Nutritional value of Whey protein per 100 grams
What's inside Whey protein
| Ingredient | Amount | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| Whey protein concentrate (typical) | 35g | 400 kcal | 78g | 6g | 10g |
Where do the calories in Whey protein come from
How Whey protein fits into your daily diet
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 140 kcal | 7% |
| Protein | 27.3g | 55% |
| Fat | 2.1g | 3% |
| Carbs | 3.5g | 1% |
Based on a 2,000 kcal daily reference diet.
How long it takes to burn off the calories from Whey protein
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 140 kcal. The total serving weighs about 35g. Per 100 grams, that works out to 400 kcal.
Is Whey protein good for weight loss?
Whey protein has a high calorie density at 400 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 27.3g of protein from a total serving weight of 35g. That is 78g of protein per 100g, which covers roughly 55% 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 | 30g | 116.1 | 23.1g | -23 kcal, less protein |
| Whey protein | 30g | 120.0 | 24g | -20 kcal, less protein |
| Whey protein | 40g | 156.0 | 32g | +16 kcal, more protein |
| Whey protein | 30g | 120.0 | 24g | -20 kcal, less protein |
| Whey protein | 30g | 120.0 | 24g | -20 kcal, less protein |