Whey Protein Powder Nutrition Facts
381 calories per 100g serving
Last updated:
Whey protein powder typically has about 350-400 calories per 100g with 75-80g protein, minimal fat and carbs. It is the fastest-absorbing protein supplement, rich in branched-chain amino acids (BCAAs) and leucine — the key trigger for muscle protein synthesis.
Protein
78.13g
82% of calories
Carbs
12.5g
13% of calories
Fat
3.13g
7% of calories
Nutrition Facts
Per 100g (100g)
| Nutrient | Amount |
|---|---|
| Calories | 381 kcal |
| Protein | 78.13g |
| Total Carbohydrates | 12.5g |
| Total Fat | 3.13g |
| Dietary Fiber | 0g |
| Sugars | 6.25g |
| Saturated Fat | 1.56g |
| Cholesterol | 0mg |
| Sodium | 469mg |
| Potassium | 500mg |
| Vitamin A | 0mcg |
| Vitamin C | 0mg |
| Calcium | 375mg |
| Iron | 5.63mg |
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Weight Loss
One scoop (30g) gives 24g protein for about 120 calories — the most efficient protein-per-calorie source available. Mix with water between meals to hit protein targets without extra calories.
Muscle Gain
The gold standard post-workout supplement. One scoop within 2 hours of training maximizes muscle protein synthesis. Mix with milk and a banana for a 400-calorie recovery shake.
Maintenance
A convenient way to hit protein targets on busy days. Mix into oatmeal, smoothies, or yogurt. Not a meal replacement — think of it as a protein top-up.
Meal Ideas with Whey Protein Powder
Did you know?
Whey was considered a waste product of cheese-making for centuries — cheese factories used to dump it into rivers. Scientists in the 1990s discovered its muscle-building properties, and today the global whey protein market is worth over $10 billion.
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Take the free quizCommon Questions About Whey Protein Powder
How many calories are in Whey Protein Powder?
Whey Protein Powder contains 381 calories per 100g serving. It provides 78.13g of protein, 12.5g of carbs, and 3.13g of fat.
Is Whey Protein Powder good for weight loss?
One scoop (30g) gives 24g protein for about 120 calories — the most efficient protein-per-calorie source available. Mix with water between meals to hit protein targets without extra calories.
What pairs well with Whey Protein Powder?
Great pairings include: Post-workout shake: whey, banana, milk, and peanut butter, Protein oatmeal with whey, berries, and almonds, Whey protein smoothie with spinach, mango, and Greek yogurt. These combinations provide a balanced mix of macronutrients.