Chicken Breast vs Mushroom
Side-by-side macro comparison. Chicken Breast vs Mushroom per their standard serving sizes.
Macro Comparison Table
| Macro | Chicken Breast | Mushroom | Difference |
|---|---|---|---|
| Calories | 165 cal | 21 cal | +686% Chicken |
| Protein | 31g | 3g | +933% Chicken |
| Carbs | 0g | 3g | -100% Chicken |
| Fat | 3.6g | 0.3g | +1100% 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. Mushroom delivers 21 calories with 3g protein, 3g carbs, and 0.3g fat. The most meaningful difference: Mushroom saves 144 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, Mushroom gives you 144 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 Mushroom are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Chicken Breast or Mushroom?
Chicken Breast has more protein: 31g vs 3g per serving. That's a difference of 28g.
Which has fewer calories, Chicken Breast or Mushroom?
Mushroom has 21 calories per serving vs 165 calories in Chicken Breast — a difference of 144 calories.
Is Chicken Breast or Mushroom better for keto?
Chicken Breast is the better keto choice at 0g carbs per serving vs 3g carbs in Mushroom.
Is Chicken Breast or Mushroom better for weight loss?
For weight loss, Mushroom gives you more calorie flexibility (144 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
Mushroom
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:
→ Calculate My Macros (Free)Related Comparisons
Other ways Chicken Breast and Mushroom stack up:
Full Chicken Breast guide • Full Mushroom guide • All comparisons