Optimum Nutrition Whey vs Sardines
Side-by-side macro comparison. Optimum Nutrition Whey vs Sardines per their standard serving sizes.
Optimum Nutrition Whey
per 1 scoop
Macro Comparison Table
| Macro | Optimum Nutrition Whey | Sardines | Difference |
|---|---|---|---|
| Calories | 120 cal | 191 cal | -37% Optimum |
| Protein | 24g | 23g | +4% Optimum |
| Carbs | 3g | 0g | 0% Optimum |
| Fat | 1g | 11g | -91% 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. Sardines delivers 191 calories with 23g protein, 0g carbs, and 11g fat. The most meaningful difference: Optimum Nutrition Whey saves 71 calories per serving — meaningful over a week of meals. 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 71 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. Sardines brings 191 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 Optimum Nutrition Whey and Sardines are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Optimum Nutrition Whey or Sardines?
Optimum Nutrition Whey has more protein: 24g vs 23g per serving. That's a difference of 1g.
Which has fewer calories, Optimum Nutrition Whey or Sardines?
Optimum Nutrition Whey has 120 calories per serving vs 191 calories in Sardines — a difference of 71 calories.
Is Optimum Nutrition Whey or Sardines better for keto?
Sardines is the better keto choice at 0g carbs per serving vs 3g carbs in Optimum Nutrition Whey.
Is Optimum Nutrition Whey or Sardines better for weight loss?
For weight loss, Optimum Nutrition Whey gives you more calorie flexibility (71 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
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
Sardines
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 Sardines stack up:
Full Optimum Nutrition Whey guide • Full Sardines guide • All comparisons