Fage Greek Yogurt vs Optimum Nutrition Whey

Side-by-side macro comparison. Fage Greek Yogurt vs Optimum Nutrition Whey per their standard serving sizes.

Fage Greek Yogurt

per 5.3oz

90 cal
18g Protein
5g Carbs
0g Fat
Full Fage Greek Yogurt macros →
vs

Optimum Nutrition Whey

per 1 scoop

120 cal
24g Protein
3g Carbs
1g Fat
Full Optimum Nutrition Whey macros →

Macro Comparison Table

Macro Fage Greek Yogurt Optimum Nutrition Whey Difference
Calories 90 cal 120 cal -25% Fage
Protein 18g 24g -25% Fage
Carbs 5g 3g +67% Fage
Fat 0g 1g -100% Fage

Differences shown relative to Fage Greek Yogurt. Positive = Fage Greek Yogurt has more.

Quick Take

Fage Greek Yogurt delivers 90 calories per serving with 18g protein, 5g carbs, and 0g fat. Optimum Nutrition Whey delivers 120 calories with 24g protein, 3g carbs, and 1g fat. The most meaningful difference: they're within 30 calories per serving, so calorie load is essentially equivalent. For protein density per calorie, Optimum Nutrition Whey wins at 80% of calories from protein.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Fage Greek Yogurt gives you 30 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Optimum Nutrition Whey delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Optimum Nutrition Whey brings 120 calories — useful when you're chasing a surplus and struggling to eat enough. Optimum Nutrition Whey delivers 24g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.

For Keto / Low-Carb

Both Fage Greek Yogurt and Optimum Nutrition Whey are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Fage Greek Yogurt or Optimum Nutrition Whey?

Optimum Nutrition Whey has more protein: 24g vs 18g per serving. That's a difference of 6g.

Which has fewer calories, Fage Greek Yogurt or Optimum Nutrition Whey?

Fage Greek Yogurt has 90 calories per serving vs 120 calories in Optimum Nutrition Whey — a difference of 30 calories.

Is Fage Greek Yogurt or Optimum Nutrition Whey better for keto?

Optimum Nutrition Whey is the better keto choice at 3g carbs per serving vs 5g carbs in Fage Greek Yogurt.

Is Fage Greek Yogurt or Optimum Nutrition Whey better for weight loss?

For weight loss, Fage Greek Yogurt gives you more calorie flexibility (30 cal less per serving). For preserving muscle during a deficit, Optimum Nutrition Whey delivers more protein per calorie. Most people on cuts benefit from Optimum Nutrition Whey.

Which Is Better for Your Goal?

🔥 Weight Loss

Fage Greek Yogurt

Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.

💪 Muscle Gain

Optimum Nutrition Whey

Higher absolute protein per serving better supports muscle protein synthesis.

🥑 Low-Carb / Keto

Optimum Nutrition Whey

Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.

Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.

Find Your Personal Macros

The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:

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Related Comparisons

Other ways Fage Greek Yogurt and Optimum Nutrition Whey stack up:

Full Fage Greek Yogurt guideFull Optimum Nutrition Whey guideAll comparisons