Halibut vs Optimum Nutrition Whey
Side-by-side macro comparison. Halibut vs Optimum Nutrition Whey per their standard serving sizes.
Optimum Nutrition Whey
per 1 scoop
Macro Comparison Table
| Macro | Halibut | Optimum Nutrition Whey | Difference |
|---|---|---|---|
| Calories | 111 cal | 120 cal | -7% Halibut |
| Protein | 23g | 24g | -4% Halibut |
| Carbs | 0g | 3g | -100% Halibut |
| Fat | 1.6g | 1g | +60% Halibut |
Differences shown relative to Halibut. Positive = Halibut has more.
Quick Take
Halibut delivers 111 calories per serving with 23g protein, 0g carbs, and 1.6g fat. Optimum Nutrition Whey delivers 120 calories with 24g protein, 3g carbs, and 1g fat. The most meaningful difference: they're within 9 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, Halibut gives you 9 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), Halibut 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 Halibut and Optimum Nutrition Whey are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Halibut or Optimum Nutrition Whey?
Optimum Nutrition Whey has more protein: 24g vs 23g per serving. That's a difference of 1g.
Which has fewer calories, Halibut or Optimum Nutrition Whey?
Halibut has 111 calories per serving vs 120 calories in Optimum Nutrition Whey — a difference of 9 calories.
Is Halibut or Optimum Nutrition Whey better for keto?
Halibut is the better keto choice at 0g carbs per serving vs 3g carbs in Optimum Nutrition Whey.
Is Halibut or Optimum Nutrition Whey better for weight loss?
For weight loss, Halibut gives you more calorie flexibility (9 cal less per serving). For preserving muscle during a deficit, Halibut delivers more protein per calorie. Most people on cuts benefit from Halibut.
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
Optimum Nutrition Whey
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Halibut
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 Halibut and Optimum Nutrition Whey stack up:
Full Halibut guide • Full Optimum Nutrition Whey guide • All comparisons