Looking to maximize protein intake at Big Boy? kalori scores every menu item based on protein content, calorie efficiency, and cost performance to help you find the perfect choice for your fitness goals.
Top 3 Picks

Big Boy
Misuji Cut Steak, 160g
みすじカットステーキ160g
32.2g protein at 402kcal – outstanding efficiency
402kcal
Big Boy
Lunch Flame-Grilled Cut Steak 160g
ランチ 直火焼きカットステーキ160g
8.0g per 100kcal – high density
402kcal
Big Boy
Oni-Oroshi (Coarse Grated Radish) Grilled Chicken Bento (200g)
TO 鬼おろしグリルチキン弁当(200g)
P41.9g at 894kcal with great value
894kcalNutrition Distribution
Adequate protein but lower efficiency
Here are the top-scoring products for this ranking.
View scoring method
How Ranking Scores are Calculated
This ranking prioritizes efficient protein intake.このランキングでは、Protein Density(配点:40 pts)、Intake Efficiency(配点:30 pts)、Calorie Efficiency(配点:30 pts)などを参考に独自のスコアを算出しています。 Find menu items for efficient protein intake, ideal for muscle building and dieting.
* Scores are for reference only and do not guarantee actual nutritional effects.
How to Read Cards
Rank Badge
Shows the product's ranking position. Displayed at the top-left of the image.
Score
A score calculated based on our unique evaluation criteria. Higher scores indicate products that better match this ranking's purpose.
Estimation Badge
Indicates that PFC (Protein, Fat, Carbohydrates) values are AI-estimated. When official data is unavailable, values are analyzed from product images by AI. Actual values may differ.
AI Comment
AI-generated advice about the product's features and nutritional aspects. Tap the 💡 icon to expand/collapse.
PFC Values
P (Protein), F (Fat), and C (Carbohydrates) abbreviations. Shows the grams of each macronutrient.
FAQ
What is the best High Protein Ranking item at Big Boy?
The #1 item is "Misuji Cut Steak, 160g". 402kcal, 32.2g protein, 28.1g fat, 10.3g carbs.
How many products does Big Boy have?
Big Boy has 617 products with calorie, protein, fat, and carb nutrition info.
















