Kewpie Mayo: Calories, Nutrition and Health Benefits

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One tablespoon (15 g) of Kewpie mayo has about 100 calories, 11 g fat, 0 g carbs, 0 g protein and 105 mg sodium. It is egg-yolk Japanese mayonnaise, so nearly every calorie is fat, and a generous drizzle of 2 to 3 tablespoons runs 200 to 330 calories.

Quick Nutrition Facts

Per 1 tablespoon (15 g)

Nutrient	Amount
Calories	100 kcal
Protein	0g
Carbohydrates	0g
Fiber	0g
Sugars	0g
Fat	11g
Sodium	105 mg

Macronutrient Breakdown

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NUTRITIONIST'S INSIGHT

Kewpie is made with egg yolks only, oil and a vinegar blend, which gives it a richer, thinner texture than most US mayonnaise. The US label for a 15 g tablespoon shows 100 kcal and 11 g of fat, essentially all of the calories, with no meaningful carbs or protein. The Kewpie entry on FatSecret lists 109 kcal and 12.1 g fat for the same 15 g, so expect about 100 to 110 kcal depending on the bottle. Sodium is moderate at 105 mg, about 5% of a 2,300 mg daily limit, and the real cost is the portion: the squeeze bottle makes it easy to use 2 to 3 tablespoons on okonomiyaki, sushi bowls or a sandwich. That is 200 to 330 kcal from a topping. Measure one tablespoon, or thin it with a little rice vinegar or yogurt, if calories matter.

Myth Busters

MYTH #1: Kewpie mayo is lighter than regular mayonnaise because it is Japanese.

TRUTH: A 15 g tablespoon has about 100 kcal and 11 g fat on the US label, close to regular full-fat mayonnaise. It tastes richer because it uses egg yolks only, not because it has fewer calories. Kewpie Japanese-Style Mayonnaise 15.7 oz squeeze bottle, label values: Giant Food; Japanese mayonnaise: Just One Cookbook

MYTH #2: Kewpie mayo has carbs or sugar that affect blood sugar.

TRUTH: The label lists 0 g carbs and 0 g sugar per tablespoon. It will not raise blood sugar on its own, though it adds fat and calories to the meal. Kewpie Japanese-Style Mayonnaise 15.7 oz squeeze bottle, label values: Giant Food

MYTH #3: Kewpie mayo is the same everywhere.

TRUTH: The Japanese version contains MSG, while the American version swaps it for yeast extract and adds sugar. Listings also differ: 100 kcal on one US label, 110 on another, 109 on FatSecret. What Is Kewpie Mayo?: Food Network; Kewpie Japanese-Style Mayonnaise 12 oz squeeze bottle: Stop & Shop; Kewpie Mayonnaise, 1 tbsp: FatSecret

MYTH #4: Mayonnaise is high in sodium.

TRUTH: Kewpie has 105 mg per tablespoon, about 5% of the 2,300 mg daily limit. Soy sauce, sauces and the food it goes on usually add more sodium than the mayo itself. Kewpie Japanese-Style Mayonnaise 15.7 oz squeeze bottle, label values: Giant Food; How much sodium should I eat per day?: American Heart Association

NutriScore by Health Goals

Health Goal	NutriScore	Why This Score?
Weight Loss		100 kcal per tablespoon with no protein or fiber to fill you up, and the squeeze bottle makes 2 to 3 tablespoons easy. Measure it or use half. Kewpie Japanese-Style Mayonnaise 15.7 oz squeeze bottle, label values: Giant Food
Muscle Gain		0 g protein per tablespoon. It adds calories to a high-protein meal such as chicken or tuna, but contributes nothing toward the protein target. Kewpie Japanese-Style Mayonnaise 15.7 oz squeeze bottle, label values: Giant Food
Diabetes Management		0 g carbs and 0 g sugar per tablespoon, so it does not raise blood glucose directly. Check the other sauces and starches on the plate. Kewpie Japanese-Style Mayonnaise 15.7 oz squeeze bottle, label values: Giant Food; International Tables of Glycemic Index and Glycemic Load Values 2008: Diabetes Care
Heart Health		11 g fat per tablespoon, about 1.5 g of it saturated on the US label, and 105 mg sodium. Fine at one tablespoon, adds up at three. Kewpie Japanese-Style Mayonnaise 15.7 oz squeeze bottle, label values: Giant Food; How much sodium should I eat per day?: American Heart Association
Energy		All 100 kcal come from fat, which is slow-burning energy but gives no quick fuel. It works as a calorie-dense add-on for a meal, not an energy source. Kewpie Japanese-Style Mayonnaise 15.7 oz squeeze bottle, label values: Giant Food

PERSONALIZED NUTRITION

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Blood Sugar Response to Kewpie Mayo

Kewpie mayo has no carbohydrate, so by itself it barely moves blood sugar. The fat can slow stomach emptying a little, which flattens the rise from rice, bread or noodles it is eaten with, but the starch in the dish sets the peak. Kewpie Japanese-Style Mayonnaise 15.7 oz squeeze bottle, label values: Giant Food; International Tables of Glycemic Index and Glycemic Load Values 2008: Diabetes Care

Estimated Glucose Response (1 tbsp Kewpie mayo on its own)

Illustrative curve for a healthy adult. Mayo alone has 0 g carbs, so the curve shows the meal around it. Individual responses vary with portion, the food it is paired with, prior activity and metabolic health. Not medical advice.

How to flatten the spike

Keep it to one tablespoon and pair it with protein and vegetables rather than a large starch portion.
Use it on salad, eggs or fish instead of fries, bread or sushi rice if you track carbs.
Eat the vegetables and protein first, then the starch with the mayo.
Take a 10 to 15 minute walk after a large rice or noodle meal.
Check the bottle, since some US versions add sugar.

Cultural Significance

Kewpie mayonnaise was first sold in Japan in 1925 by Toichiro Nakashima, who tasted mayonnaise abroad and wanted a richer version using egg yolks. It is now a staple on okonomiyaki, takoyaki, tamago sandwiches, onigiri fillings and sushi bowls, and the squeeze bottle with the baby doll logo is recognised worldwide. Outside Japan it is sold in Asian grocers and many large supermarkets across North America, Europe and Asia.

Compare & Substitute

Kewpie Mayo vs Similar Foods

Nutrient	Regular mayonnaise (1 tbsp, 14 g)	Light mayonnaise (1 tbsp, 15 g)	Plain Greek yogurt, nonfat (1 tbsp, 15 g)	Avocado, mashed (1 tbsp, 15 g)
Calories	94 kcal	35 kcal	9 kcal	24 kcal
Protein	0.1g	0g	1.6g	0.3g
Carbohydrates	0.1g	1g	0.6g	1.3g
Fat	10.3g	3.5g	0g	2.2g

Frequently Asked Questions

How many calories are in Kewpie mayo?

One tablespoon (15 g) has about 100 calories on the US label. FatSecret lists 109 kcal for the same weight, so expect 100 to 110 depending on the bottle.

How many calories are in 2 tablespoons of Kewpie mayo?

Two tablespoons (30 g) have about 200 to 220 calories and 22 g of fat. A typical squeeze over a bowl or sandwich is often 2 to 3 tablespoons.

Is Kewpie mayo higher in calories than regular mayo?

About the same. Regular full-fat mayonnaise has roughly 94 kcal per tablespoon and Kewpie about 100 kcal. Kewpie tastes richer because it uses egg yolks only.