Costco Pizza vs Mustard

Side-by-side macro comparison. Costco Pizza vs Mustard per their standard serving sizes.

Costco Pizza

per 1 slice (260g)

760 cal
32g Protein
84g Carbs
33g Fat
Full Costco Pizza macros →
vs

Mustard

per 1 tbsp (15g)

9 cal
0.6g Protein
0.6g Carbs
0.5g Fat
Full Mustard macros →

Macro Comparison Table

Macro Costco Pizza Mustard Difference
Calories 760 cal 9 cal +8344% Costco
Protein 32g 0.6g +5233% Costco
Carbs 84g 0.6g +13900% Costco
Fat 33g 0.5g +6500% Costco

Differences shown relative to Costco Pizza. Positive = Costco Pizza has more.

Quick Take

Costco Pizza delivers 760 calories per serving with 32g protein, 84g carbs, and 33g fat. Mustard delivers 9 calories with 0.6g protein, 0.6g carbs, and 0.5g fat. The most meaningful difference: Mustard saves 751 calories per serving — meaningful over a week of meals. For protein density per calorie, Mustard wins at 27% of calories from protein.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Mustard gives you 751 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), Mustard delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Costco Pizza brings 760 calories — useful when you're chasing a surplus and struggling to eat enough. Costco Pizza delivers 32g 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

Mustard fits cleanly into keto with only 0.6g carbs. Costco Pizza at 84g carbs uses significantly more of your daily 20-30g carb budget.

Frequently Asked

Which has more protein, Costco Pizza or Mustard?

Costco Pizza has more protein: 32g vs 0.6g per serving. That's a difference of 31.4g.

Which has fewer calories, Costco Pizza or Mustard?

Mustard has 9 calories per serving vs 760 calories in Costco Pizza — a difference of 751 calories.

Is Costco Pizza or Mustard better for keto?

Mustard is the better keto choice at 0.6g carbs per serving vs 84g carbs in Costco Pizza.

Is Costco Pizza or Mustard better for weight loss?

For weight loss, Mustard gives you more calorie flexibility (751 cal less per serving). For preserving muscle during a deficit, Mustard delivers more protein per calorie. Most people on cuts benefit from Mustard.

Which Is Better for Your Goal?

🔥 Weight Loss

Mustard

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

💪 Muscle Gain

Costco Pizza

Higher absolute protein per serving better supports muscle protein synthesis.

🥑 Low-Carb / Keto

Mustard

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 Costco Pizza and Mustard stack up:

Full Costco Pizza guideFull Mustard guideAll comparisons