Kewpie Mayonnaise Nutrition Facts: Calories, Macros & Health Benefits
Summary: 100g of kewpie mayonnaise contains 700 calories, 1.5g protein, 2g carbs, and 76g fat. Kewpie Mayonnaise is a good source of sodium.

Nutrition Facts — per 100g
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 700 kcal | 35% |
| Protein | 1.5g | 3% |
| Carbohydrates | 2.0g | 1% |
| Total Fat | 76.0g | 97% |
| Sodium | 500.0mg | 22% |
Is Kewpie Mayonnaise Good for You?
Kewpie Mayonnaise is best used as an occasional condiment rather than a dietary staple. With 76g of total fat (97% Daily Value) and 700 calories per 100g, it is calorie and fat-dense. While it provides minimal protein (1.5g) and carbohydrates (2g), it is rich in lipids that can support nutrient absorption when used in moderation.
Key Health Benefits of Kewpie Mayonnaise
Rich in dietary fat for nutrient absorption — The 76g of fat per 100g in Kewpie Mayonnaise is primarily composed of oils that help your body absorb fat-soluble vitamins like vitamins A, D, E, and K from other foods.
Minimal carbohydrate content — With only 2g of carbohydrates per 100g, it is a low-carb condiment suitable for ketogenic and lower-carbohydrate diets without spiking blood sugar.
Protein contribution in balanced meals — Although modest at 1.5g per 100g, it is often used in small amounts that pair with protein-rich foods like fish and eggs, complementing rather than compromising protein intake.
Moderate sodium levels — At 500mg of sodium per 100g (22% Daily Value), it is lower in sodium than many processed condiments, making it a relatively balanced choice for salt-conscious consumers.
How Does Kewpie Mayonnaise Compare?
Kewpie Mayonnaise is similar to standard American mayonnaise in calorie and fat content, but it is distinguished by its use of egg yolks instead of whole eggs, creating a richer, creamier texture. It is also typically lower in sodium than many commercial brands, making it a slightly more heart-friendly option. The addition of MSG and sugar in Kewpie Mayonnaise gives it a unique umami flavor profile that sets it apart from traditional Western mayonnaise products.
Frequently Asked Questions
How many calories is in kewpie mayonnaise?
One 100g serving of Kewpie Mayonnaise contains 700 calories. Since most people use mayonnaise in small amounts—typically 1 tablespoon (about 14g)—a standard serving would contain roughly 98 calories.
Is kewpie mayonnaise good for weight loss?
Kewpie Mayonnaise is not ideal for weight loss due to its high calorie density of 700 calories per 100g and extremely high fat content at 76g per 100g. It is best used sparingly as a flavoring condiment rather than as a main ingredient if you are managing calorie intake for weight loss.
How much fat does kewpie mayonnaise contain?
Kewpie Mayonnaise contains 76g of total fat per 100g, which represents 97% of the Daily Value. This makes it one of the most fat-dense foods commonly used in cooking and food preparation.
Can I eat kewpie mayonnaise on a keto diet?
Yes, Kewpie Mayonnaise is highly compatible with ketogenic diets because it is virtually carb-free at only 2g per 100g and extremely fat-rich. A typical small serving fits easily into daily keto macro targets without concern.
How should I store kewpie mayonnaise after opening?
After opening, Kewpie Mayonnaise should be stored in the refrigerator with the cap tightly sealed to prevent contamination and oxidation. It is typically safe to use for 2-3 months when properly refrigerated, though checking the expiration date on your specific jar is always recommended.
How to Track Kewpie Mayonnaise Nutrition with Gram
The Gram app makes logging Kewpie Mayonnaise effortless—simply scan the product barcode or search by name to instantly view the complete nutrient breakdown, including all 76g of fat, 700 calories, and sodium content per serving. Our AI food scanning feature can even identify Kewpie Mayonnaise from a photo of your plate, automatically calculating how much you’ve consumed and tracking it against your daily nutritional goals.
Frequently Asked Questions
How many calories is in kewpie mayonnaise?
One 100g serving of Kewpie Mayonnaise contains 700 calories. Since most people use mayonnaise in small amounts—typically 1 tablespoon (about 14g)—a standard serving would contain roughly 98 calories.
Is kewpie mayonnaise good for weight loss?
Kewpie Mayonnaise is not ideal for weight loss due to its high calorie density of 700 calories per 100g and extremely high fat content at 76g per 100g. It is best used sparingly as a flavoring condiment rather than as a main ingredient if you are managing calorie intake for weight loss.
How much fat does kewpie mayonnaise contain?
Kewpie Mayonnaise contains 76g of total fat per 100g, which represents 97% of the Daily Value. This makes it one of the most fat-dense foods commonly used in cooking and food preparation.
Can I eat kewpie mayonnaise on a keto diet?
Yes, Kewpie Mayonnaise is highly compatible with ketogenic diets because it is virtually carb-free at only 2g per 100g and extremely fat-rich. A typical small serving fits easily into daily keto macro targets without concern.
How should I store kewpie mayonnaise after opening?
After opening, Kewpie Mayonnaise should be stored in the refrigerator with the cap tightly sealed to prevent contamination and oxidation. It is typically safe to use for 2-3 months when properly refrigerated, though checking the expiration date on your specific jar is always recommended.
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Nutrition data sourced from USDA FoodData Central. Track kewpie mayonnaise and thousands of other foods with the Gram app.