Optimum Nutrition Whey vs Tilapia
Side-by-side macro comparison. Optimum Nutrition Whey vs Tilapia per their standard serving sizes.
Optimum Nutrition Whey
per 1 scoop
Macro Comparison Table
| Macro | Optimum Nutrition Whey | Tilapia | Difference |
|---|---|---|---|
| Calories | 120 cal | 128 cal | -6% Optimum |
| Protein | 24g | 26g | -8% Optimum |
| Carbs | 3g | 0g | 0% Optimum |
| Fat | 1g | 2.7g | -63% Optimum |
Differences shown relative to Optimum Nutrition Whey. Positive = Optimum Nutrition Whey has more.
Quick Take
Optimum Nutrition Whey delivers 120 calories per serving with 24g protein, 3g carbs, and 1g fat. Tilapia delivers 128 calories with 26g protein, 0g carbs, and 2.7g fat. The most meaningful difference: they're within 8 calories per serving, so calorie load is essentially equivalent. Both deliver similar protein density.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Optimum Nutrition Whey gives you 8 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), Tilapia delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Tilapia brings 128 calories — useful when you're chasing a surplus and struggling to eat enough. Tilapia delivers 26g 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 Optimum Nutrition Whey and Tilapia are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Optimum Nutrition Whey or Tilapia?
Tilapia has more protein: 26g vs 24g per serving. That's a difference of 2g.
Which has fewer calories, Optimum Nutrition Whey or Tilapia?
Optimum Nutrition Whey has 120 calories per serving vs 128 calories in Tilapia — a difference of 8 calories.
Is Optimum Nutrition Whey or Tilapia better for keto?
Tilapia is the better keto choice at 0g carbs per serving vs 3g carbs in Optimum Nutrition Whey.
Is Optimum Nutrition Whey or Tilapia better for weight loss?
For weight loss, Optimum Nutrition Whey gives you more calorie flexibility (8 cal less per serving). For preserving muscle during a deficit, Tilapia delivers more protein per calorie. Most people on cuts benefit from Tilapia.
Which Is Better for Your Goal?
🔥 Weight Loss
Optimum Nutrition Whey
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Tilapia
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Tilapia
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:
→ Calculate My Macros (Free)Related Comparisons
Other ways Optimum Nutrition Whey and Tilapia stack up:
Full Optimum Nutrition Whey guide • Full Tilapia guide • All comparisons