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)

NutrientAmount
Calories381 kcal
Protein78.13g
Total Carbohydrates12.5g
Total Fat3.13g
Dietary Fiber0g
Sugars6.25g
Saturated Fat1.56g
Cholesterol0mg
Sodium469mg
Potassium500mg
Vitamin A0mcg
Vitamin C0mg
Calcium375mg
Iron5.63mg

Track Whey Protein Powder in your daily plan

Sunn logs meals via WhatsApp and keeps you on track with your calorie and macro goals.

Start your free trial

Whey Protein Powder for Your Goal

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

Post-workout shake: whey, banana, milk, and peanut butter450 cal · 38g protein
Protein oatmeal with whey, berries, and almonds400 cal · 30g protein
Whey protein smoothie with spinach, mango, and Greek yogurt350 cal · 35g protein

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.

Snap a photo. Get instant macros.

Send any meal photo to Sunn on WhatsApp and get a detailed nutrition breakdown in seconds.

Take the free quiz

Common 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.

Compare Whey Protein Powder

More Dairy & Egg Nutrition Facts