Does Mayonnaise Have Fat? + Other Common FAQs

Mayonnaise is a tasty and useful sauce to have in the kitchen since mayonnaise can be used as a condiment, binder, spread, and much more.

However, you may not know the nutritional value of mayonnaise and wonder if mayonnaise has fat. I looked up the facts, and here is what I found!

Does Mayonnaise Have Fat?

Mayonnaise does have fat because mayonnaise contains eggs and oil, and oil is particularly high in fat. Since mayonnaise contains a large amount of oil, mayonnaise has a lot of fat. Generally, mayonnaise is not an ideal source of fat because of how calorie-dense and high in fat mayonnaise can be.

Do you want to learn more about mayonnaise’s fat content, what kind of fat mayonnaise has, and more? Keep reading!

Why Does Mayonnaise Have Fat?

Mayonnaise contains fat because of the ingredients that are in mayonnaise, namely oil and eggs, which are essential ingredients to create mayonnaise.

Since mayonnaise is an emulsion of eggs and oil that contains a good amount of fat, there is no way to avoid the fat unless you opt for a low-fat or no-fat alternative to mayonnaise.

How Much Fat Does Mayonnaise Have?

Typically, a tablespoon of regular mayonnaise can have about 12 grams of fat, but this amount will depend on the brand you get.

Light mayonnaise and no fat mayonnaise will often have less fat than regular mayonnaise, typically having around 4.5 grams of fat.

Despite being called no-fat mayonnaise, most no-fat mayonnaise brands will still have 4.5 grams of fat because the term “no fat” means that the mayonnaise has 0 grams of saturated fat, meaning the 4.5 grams of fat is unsaturated fat.

What Types Of Fat Does Mayonnaise Have?

Generally, mayonnaise is made up of mostly unsaturated fats, but this will depend on the recipe used for the mayonnaise.

It is common to see unsaturated and saturated fats in regular mayonnaise, but light and no fat mayonnaise usually have no unsaturated fat in them.

Is Mayonnaise Considered Healthy Fat?

Mayonnaise is not considered a healthy fat because

Moreover, mayonnaise is considered one of the highest fat foods available considering how much fat mayonnaise contains for the amount that you would use.

For instance, a tablespoon of mayonnaise already contains 10-12 grams of fat, which is much more fat compared to other sauces like ketchup or mustard.

Can Mayonnaise Be A Good Source Of Fat?

Can Mayonnaise Be A Good Source Of Fat?

Technically, mayonnaise can be considered a healthy fat because most of the fat in mayonnaise is unsaturated fats.

However, mayonnaise is not considered a good source of fat because the overall nutritional value of mayonnaise makes it unhealthy.

For instance, a single tablespoon of mayonnaise can contain 100 calories and 10 grams of fat, making mayonnaise highly dense in fat and calories for the amount you can eat.

There are healthier and more filling foods that are considered healthier sources of fat, which is why most people will not recommend eating mayonnaise as a source of fat.

Does Mayonnaise Make You Fat?

Technically, mayonnaise can make you fat if you eat a large amount of mayonnaise regularly since mayonnaise is a calorie-dense and high-fat sauce.

However, mayonnaise may not be the sole cause of weight gain because eating a generally unhealthy diet and not exercising can make you gain weight, so mayonnaise may not be the culprit.

Moreover, eating a tablespoon of mayonnaise every other day while you are eating a fairly healthy diet should not have any impact on your weight.

While mayonnaise does contain a good amount of fat, a single tablespoon of mayonnaise is not likely to drastically make you gain weight.

Does Mayonnaise Contain Less Fat Than Butter?

Depending on the brand, mayonnaise can contain less fat than butter because mayonnaise has around 10-12 grams of fat whereas butter usually has 12 grams of fat or more.

As for the saturated fat content, mayonnaise contains about 1.5 grams of saturated fat while butter usually has 7.3 grams of saturated fat.

Does Mayonnaise Contain Less Fat Than Oil?

Technically, mayonnaise contains less fat than oil because one cup of oil contains 216 grams of fat whereas a cup of mayonnaise has around 165 grams of fat.

Mayonnaise has less fat because mayonnaise is mostly composed of oil whereas oil is completely made of oil, causing oil to contain more fat.

However, neither mayonnaise nor oil is directly healthier than the other since they are both high-fat and calorically dense products, but mayonnaise could be a better option if you want to consume less fat.

Is Mayonnaise A Fat Or Oil?

Generally, mayonnaise can be considered both fat and oil because mayonnaise is high in fat, and mayonnaise is mostly made out of oil since most mayonnaise products are composed of 65% oil.

How Much Fat Does Hellman’s Mayonnaise Have?

Hellman’s Mayonnaise has around 11 grams of fat per tablespoon whereas Hellman’s Low Fat Mayonnaise Dressing contains about 1 gram of fat per tablespoon.

How Much Fat Does Duke’s Mayonnaise Have?

Each tablespoon serving of Duke’s Mayonnaise has 12 grams of fat while a tablespoon of Duke’s Light Mayonnaise has 5 grams of fat.

How Much Fat Does Best Foods Mayonnaise Have?

Best Foods Real Mayonnaise contains 10 grams of fat in one tablespoon whereas Best Foods Light Mayonnaise only has 4.5 grams of fat per tablespoon.

How Much Fat Does Vegenaise Have?

A tablespoon of Vegenaise contains roughly 9 grams of fat per tablespoon Reduced Fat Vegenaise has 6 grams of fat for one tablespoon.

How Much Fat Does Just Mayo Have?

A single tablespoon serving of Just Mayo contains 10 grams of fat.

How Much Fat Does Miracle Whip Have?

Since Miracle Whip contains less oil than real mayonnaise, Miracle Whip only contains around 3.5 grams of fat per tablespoon.

If you want to learn if mayonnaise makes your bum bigger, what mayonnaise tastes like, and if mayonnaise makes you fat, read our related articles.


Mayonnaise does contain fat because mayonnaise’s main ingredient is oil, which is very high in fat. However, mayonnaise will only make you fat if you consume a lot of mayonnaise regularly.

Moreover, light and no fat mayonnaise contain less fat than regular mayonnaise and contain no saturated fat.

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