Impossible Burger vs Mushroom
Side-by-side macro comparison. Impossible Burger vs Mushroom per their standard serving sizes.
Impossible Burger
per 4oz patty, 113g
Macro Comparison Table
| Macro | Impossible Burger | Mushroom | Difference |
|---|---|---|---|
| Calories | 240 cal | 21 cal | +1043% Impossible |
| Protein | 19g | 3g | +533% Impossible |
| Carbs | 9g | 3g | +200% Impossible |
| Fat | 14g | 0.3g | +4567% Impossible |
Differences shown relative to Impossible Burger. Positive = Impossible Burger has more.
Quick Take
Impossible Burger delivers 240 calories per serving with 19g protein, 9g carbs, and 14g fat. Mushroom delivers 21 calories with 3g protein, 3g carbs, and 0.3g fat. The most meaningful difference: Mushroom saves 219 calories per serving — meaningful over a week of meals. For protein density per calorie, Mushroom wins at 57% of calories from protein.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Mushroom gives you 219 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), Mushroom delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Impossible Burger brings 240 calories — useful when you're chasing a surplus and struggling to eat enough. Impossible Burger delivers 19g 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 Impossible Burger and Mushroom are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Impossible Burger or Mushroom?
Impossible Burger has more protein: 19g vs 3g per serving. That's a difference of 16g.
Which has fewer calories, Impossible Burger or Mushroom?
Mushroom has 21 calories per serving vs 240 calories in Impossible Burger — a difference of 219 calories.
Is Impossible Burger or Mushroom better for keto?
Mushroom is the better keto choice at 3g carbs per serving vs 9g carbs in Impossible Burger.
Is Impossible Burger or Mushroom better for weight loss?
For weight loss, Mushroom gives you more calorie flexibility (219 cal less per serving). For preserving muscle during a deficit, Mushroom delivers more protein per calorie. Most people on cuts benefit from Mushroom.
Which Is Better for Your Goal?
🔥 Weight Loss
Mushroom
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Impossible Burger
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Mushroom
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 Impossible Burger and Mushroom stack up:
Full Impossible Burger guide • Full Mushroom guide • All comparisons