How many calories are in Whey protein?
Whey protein contains 156 calories per serving (8% of the 2,000 kcal daily value), with 1.6g fat, 3.2g carbs, and 31.2g protein. This nutritional data is based on AI-powered meal analysis by SimpliFit.
Track your meals effortlessly with AI
Stop guessing. Snap a photo and get instant calorie and macro estimates powered by AI.
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 powder (mixed/average) | 40g | 390 kcal | 78g | 4g | 8g |
Where do the calories in Whey protein come from
How Whey protein fits into your daily diet
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 156 kcal | 8% |
| Protein | 31.2g | 62% |
| Fat | 1.6g | 2% |
| Carbs | 3.2g | 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 156 kcal. The total serving weighs about 40g. Per 100 grams, that works out to 390 kcal.
Is Whey protein good for weight loss?
Whey protein has a high calorie density at 390 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 31.2g of protein from a total serving weight of 40g. That is 78g of protein per 100g, which covers roughly 62% 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 | 50g | 200.0 | 40g | +44 kcal, more protein |
| Protein powder | 30g | 120.0 | 24g | -36 kcal, less protein |
| Protein powder | 30g | 130.0 | 25g | -26 kcal, less protein |
| Whey protein | 30g | 120.0 | 24g | -36 kcal, less protein |
| Whey protein | 30g | 120.0 | 24g | -36 kcal, less protein |