Bell Peppers vs Romaine Lettuce
Side-by-side macro comparison. Bell Peppers vs Romaine Lettuce per their standard serving sizes.
Romaine Lettuce
per 1 cup shredded (47g)
Macro Comparison Table
| Macro | Bell Peppers | Romaine Lettuce | Difference |
|---|---|---|---|
| Calories | 30 cal | 8 cal | +275% Bell |
| Protein | 1g | 0.6g | +67% Bell |
| Carbs | 7g | 1.5g | +367% Bell |
| Fat | 0.4g | 0.1g | +300% Bell |
Differences shown relative to Bell Peppers. Positive = Bell Peppers has more.
Quick Take
Bell Peppers delivers 30 calories per serving with 1g protein, 7g carbs, and 0.4g fat. Romaine Lettuce delivers 8 calories with 0.6g protein, 1.5g carbs, and 0.1g fat. The most meaningful difference: they're within 22 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, Romaine Lettuce gives you 22 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), Romaine Lettuce delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Bell Peppers brings 30 calories — useful when you're chasing a surplus and struggling to eat enough. Bell Peppers delivers 1g 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 Bell Peppers and Romaine Lettuce are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Bell Peppers or Romaine Lettuce?
Bell Peppers has more protein: 1g vs 0.6g per serving. That's a difference of 0.4g.
Which has fewer calories, Bell Peppers or Romaine Lettuce?
Romaine Lettuce has 8 calories per serving vs 30 calories in Bell Peppers — a difference of 22 calories.
Is Bell Peppers or Romaine Lettuce better for keto?
Romaine Lettuce is the better keto choice at 1.5g carbs per serving vs 7g carbs in Bell Peppers.
Is Bell Peppers or Romaine Lettuce better for weight loss?
For weight loss, Romaine Lettuce gives you more calorie flexibility (22 cal less per serving). For preserving muscle during a deficit, Romaine Lettuce delivers more protein per calorie. Most people on cuts benefit from Romaine Lettuce.
Which Is Better for Your Goal?
🔥 Weight Loss
Romaine Lettuce
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Bell Peppers
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Romaine Lettuce
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 Bell Peppers and Romaine Lettuce stack up:
Full Bell Peppers guide • Full Romaine Lettuce guide • All comparisons