Whey Protein Powder vs Greek Yogurt

Side-by-side nutrition comparison per serving. See which fits your goals better.

Comparing whey protein to Greek yogurt is a bit like comparing a race car to a daily commuter — they serve overlapping but different purposes. Whey powder packs a staggering 78.13g protein per 100g at 381 calories, making it the most protein-dense food most people will ever consume. Greek yogurt sits at a modest 9.95g protein and 73 calories per 100g, which means you'd need roughly 800g of yogurt to match one scoop of whey.

But here's the thing: nobody should be choosing between them. They fill completely different slots in your day. Whey is a supplement — fast-absorbing, convenient post-workout, zero prep. Greek yogurt is actual food — it has probiotics for gut health, a satisfying texture, and works in meals. The real question isn't which is better, it's whether you're getting enough total protein. If you're consistently hitting your daily target with whole foods, you don't need whey. If you're falling 25-40g short despite trying, whey closes that gap effortlessly.

Pro tip

Mix half a scoop of whey into Greek yogurt with some berries for a snack that hits 25-30g protein. It tastes like dessert and covers both fast and slow-digesting protein sources in one bowl.

Quick Verdict

Best for weight loss

Greek Yogurt

Best for muscle gain

Whey Protein Powder

Best for low-carb

Greek Yogurt

Macro Comparison

Whey Protein Powder: 100g (100g)  |  Greek Yogurt: 100g (100g)

CaloriesLower is better for weight loss

381

Whey Protein Powder

vs

73

Greek Yogurt

ProteinHigher supports muscle growth

78.13g

Whey Protein Powder

vs

9.95g

Greek Yogurt

CarbsLower for low-carb diets

12.5g

Whey Protein Powder

vs

3.94g

Greek Yogurt

FatLower for calorie control

3.13g

Whey Protein Powder

vs

1.92g

Greek Yogurt

Protein Efficiency

What percentage of calories come from protein — higher is better for staying lean.

82%

Whey Protein Powder

55%

Greek Yogurt

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Per 100g Comparison

NutrientWhey Protein PowderGreek Yogurt
Calories38173
Protein78.1g9.9g
Carbs12.5g3.9g
Fat3.1g1.9g
Fiber0g0g
Sugar6.25g3.56g
Sodium469mg34mg
Cholesterol0mg10mg
Saturated Fat1.56g1.23g
Potassium500mg141mg
Vitamin A0mcg90mcg
Vitamin C0mg0.8mg
Calcium375mg115mg
Iron5.63mg0.04mg

Which Should You Choose?

For weight loss

Choose Greek Yogurt. With 73 calories and 9.95g protein, it gives you more protein per calorie — keeping you full while cutting calories.

For muscle gain

Choose Whey Protein Powder. Whey Protein Powder delivers 78.13g protein per serving — 68.2g more than Greek Yogurt.

For low-carb diets

Choose Greek Yogurt with 3.94g carbs per serving.

Whether you rely on supplements or whole foods, the only thing that matters is hitting your daily protein target consistently. Sunn tracks both and shows you patterns — so you know exactly where your gaps are.

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Common Questions

Is Whey Protein Powder or Greek Yogurt better for weight loss?

For weight loss, Greek Yogurt is the better choice. Whey Protein Powder has 381 calories and 78.13g protein per serving, while Greek Yogurt has 73 calories and 9.95g protein. Lower calories with higher protein helps you stay full while eating fewer calories.

Which has more protein, Whey Protein Powder or Greek Yogurt?

Whey Protein Powder has more protein per serving. Whey Protein Powder provides 78.13g and Greek Yogurt provides 9.95g of protein.

Can I eat both whey protein powder and greek yogurt together?

Yes! Combining whey protein powder and greek yogurt gives you 454 calories and 88.08g protein. This combination can work well as part of a balanced meal.

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