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)
381
Whey Protein Powder
73
Greek Yogurt
78.13g
Whey Protein Powder
9.95g
Greek Yogurt
12.5g
Whey Protein Powder
3.94g
Greek Yogurt
3.13g
Whey Protein Powder
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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| Nutrient | Whey Protein Powder | Greek Yogurt |
|---|---|---|
| Calories | 381 | 73 |
| Protein | 78.1g | 9.9g |
| Carbs | 12.5g | 3.9g |
| Fat | 3.1g | 1.9g |
| Fiber | 0g | 0g |
| Sugar | 6.25g | 3.56g |
| Sodium | 469mg | 34mg |
| Cholesterol | 0mg | 10mg |
| Saturated Fat | 1.56g | 1.23g |
| Potassium | 500mg | 141mg |
| Vitamin A | 0mcg | 90mcg |
| Vitamin C | 0mg | 0.8mg |
| Calcium | 375mg | 115mg |
| Iron | 5.63mg | 0.04mg |
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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Take the free quizCommon 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.