Chicken Breast vs Spinach

Side-by-side macro comparison. Chicken Breast vs Spinach per their standard serving sizes.

Chicken Breast

per 100g cooked

165 cal
31g Protein
0g Carbs
3.6g Fat
Full Chicken Breast macros →
vs

Spinach

per 1 cup raw (30g)

7 cal
0.9g Protein
1.1g Carbs
0.1g Fat
Full Spinach macros →

Macro Comparison Table

Macro Chicken Breast Spinach Difference
Calories 165 cal 7 cal +2257% Chicken
Protein 31g 0.9g +3344% Chicken
Carbs 0g 1.1g -100% Chicken
Fat 3.6g 0.1g +3500% Chicken

Differences shown relative to Chicken Breast. Positive = Chicken Breast has more.

Quick Take

Chicken Breast delivers 165 calories per serving with 31g protein, 0g carbs, and 3.6g fat. Spinach delivers 7 calories with 0.9g protein, 1.1g carbs, and 0.1g fat. The most meaningful difference: Spinach saves 158 calories per serving — meaningful over a week of meals. For protein density per calorie, Chicken Breast wins at 75% of calories from protein.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Spinach gives you 158 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), Chicken Breast delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Chicken Breast brings 165 calories — useful when you're chasing a surplus and struggling to eat enough. Chicken Breast delivers 31g 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 Chicken Breast and Spinach are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Chicken Breast or Spinach?

Chicken Breast has more protein: 31g vs 0.9g per serving. That's a difference of 30.1g.

Which has fewer calories, Chicken Breast or Spinach?

Spinach has 7 calories per serving vs 165 calories in Chicken Breast — a difference of 158 calories.

Is Chicken Breast or Spinach better for keto?

Chicken Breast is the better keto choice at 0g carbs per serving vs 1.1g carbs in Spinach.

Is Chicken Breast or Spinach better for weight loss?

For weight loss, Spinach gives you more calorie flexibility (158 cal less per serving). For preserving muscle during a deficit, Chicken Breast delivers more protein per calorie. Most people on cuts benefit from Chicken Breast.

Which Is Better for Your Goal?

🔥 Weight Loss

Spinach

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

💪 Muscle Gain

Chicken Breast

Higher absolute protein per serving better supports muscle protein synthesis.

🥑 Low-Carb / Keto

Chicken Breast

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 Chicken Breast and Spinach stack up:

Full Chicken Breast guideFull Spinach guideAll comparisons