Butter, Unsalted vs. Mayonnaise

Nutrition comparison of Butter, Unsalted and Mayonnaise


Ever wonder how your favorite foods stack up against each other in terms of nutrition?

We compared the nutritional contents of butter, unsalted versus mayonnaise (100g each) below using 2020 USDA and NIH data[1].

For a quick recap of significant nutrients and differences in butter, unsalted and mayonnaise:

  • Both mayonnaise and butter, unsalted are high in calories and saturated fat.
  • Butter, unsalted is an excellent source of Vitamin A.
  • Mayonnaise has more thiamin and Vitamin B6.
  • Mayonnaise is an excellent source of Vitamin K.
Detailed nutritional comparison of butter, unsalted and mayonnaise is analyzed below. You can also visualize the nutritional comparison for a custom portion or serving size and see how the nutrition compares.

USDA sources for nutritional information: Butter, Unsalted (Butter, without salt) and Mayonnaise (Salad dressing, mayonnaise, regular) . Have a correction or suggestions? Shoot us an email.


Image of Butter, Unsalted src
Image of Mayonnaise src

Calories and Carbs

calories

Both mayonnaise and butter, unsalted are high in calories. Butter, unsalted has a little more calories (5%) than mayonnaise by weight - mayonnaise has 680 calories per 100 grams and butter, unsalted has 717 calories.

For macronutrient ratios, butter, unsalted is similar to mayonnaise for protein, carbs and fat. Butter, unsalted has a macronutrient ratio of 1:0:100 and for mayonnaise, 1:0:99 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Butter, Unsalted Mayonnaise
Protein 1% 1%
Carbohydrates ~ ~
Fat 100% 99%
Alcohol ~ ~

carbohydrates

Both mayonnaise and butter, unsalted are low in carbohydrates - mayonnaise has 0.57g of total carbs per 100 grams and butter, unsalted has 0.06g of carbohydrates.

The carbs in mayonnaise and butter, unsalted are both made of 100% sugar.

sugar

Mayonnaise and butter, unsalted contain similar amounts of sugar - mayonnaise has 0.57g of sugar per 100 grams and butter, unsalted has 0.06g of sugar.

Protein

protein

Mayonnaise and butter, unsalted contain similar amounts of protein - mayonnaise has 0.96g of protein per 100 grams and butter, unsalted has 0.85g of protein.

Fat

saturated fat

Both mayonnaise and butter, unsalted are high in saturated fat. Butter, unsalted has 331% more saturated fat than mayonnaise - mayonnaise has 11.7g of saturated fat per 100 grams and butter, unsalted has 50.5g of saturated fat.

trans fat

Both mayonnaise and butter, unsalted are low in trans fat - mayonnaise has 0.19g of trans fat per 100 grams and butter, unsalted does not contain significant amounts.

cholesterol

Butter, unsalted is high in cholesterol and mayonnaise has 80% less cholesterol than butter, unsalted - mayonnaise has 42mg of cholesterol per 100 grams and butter, unsalted has 215mg of cholesterol.

Vitamins

Vitamin A

Butter, unsalted is an excellent source of Vitamin A and it has 41 times more Vitamin A than mayonnaise - mayonnaise has 16ug of Vitamin A per 100 grams and butter, unsalted has 684ug of Vitamin A.

Vitamin D

Mayonnaise has more Vitamin D than butter, unsalted - mayonnaise has 7iu of Vitamin D per 100 grams and butter, unsalted does not contain significant amounts.

Vitamin E

Mayonnaise and butter, unsalted contain similar amounts of Vitamin E - mayonnaise has 3.3mg of Vitamin E per 100 grams and butter, unsalted has 2.3mg of Vitamin E.

Vitamin K

Mayonnaise is an excellent source of Vitamin K and it has 22 times more Vitamin K than butter, unsalted - mayonnaise has 163ug of Vitamin K per 100 grams and butter, unsalted has 7ug of Vitamin K.

The B Vitamins

Mayonnaise has more thiamin and Vitamin B6. Both butter, unsalted and mayonnaise contain significant amounts of riboflavin, pantothenic acid, folate and Vitamin B12.

Butter, Unsalted Mayonnaise
Thiamin 0.005 MG 0.01 MG
Riboflavin 0.034 MG 0.019 MG
Niacin 0.042 MG ~
Pantothenic acid 0.11 MG 0.172 MG
Vitamin B6 0.003 MG 0.008 MG
Folate 3 UG 5 UG
Vitamin B12 0.17 UG 0.12 UG

Minerals

calcium

Butter, unsalted has 200% more calcium than mayonnaise - mayonnaise has 8mg of calcium per 100 grams and butter, unsalted has 24mg of calcium.

iron

Mayonnaise and butter, unsalted contain similar amounts of iron - mayonnaise has 0.21mg of iron per 100 grams and butter, unsalted has 0.02mg of iron.

potassium

Mayonnaise and butter, unsalted contain similar amounts of potassium - mayonnaise has 20mg of potassium per 100 grams and butter, unsalted has 24mg of potassium.

Antioxidants and Phytonutrients

carotenoids

Carotenoids are micronutrients commonly found in plants and some animal products. An example is beta-carotene, the notable carotenoid which is a popular source of Vitamin A.[4][5]

For specific types of carotenoids,

Butter, Unsalted Mayonnaise
beta-carotene 158 UG 6 UG
lutein + zeaxanthin ~ 12 UG

Omega-3 and Omega-6

omega 3s

For omega-3 fatty acids, mayonnaise has more alpha linoleic acid (ALA) than butter, unsalted per 100 grams.

Butter, Unsalted Mayonnaise
alpha linoleic acid 1.18 G 5.456 G
DHA ~ 0.005 G
Total 1.18 G 5.461 G

omega 6s

Comparing omega-6 fatty acids, mayonnaise has more linoleic acid than butter, unsalted per 100 grams.

Butter, Unsalted Mayonnaise
other omega 6 ~ 0.125 G
linoleic acid 1.83 G 39.146 G
Total 1.83 G 39.271 G



Customize your serving size


The comparison below is by weight, but sometimes 100g isn't that intuitive of a measurement for food. View a custom portion comparison (e.g. cups, oz, package).

You can try adding or subtracting the amount of either Butter, Unsalted or Mayonnaise .

Note: The specific food items compared are: Butter, Unsalted (Butter, without salt) and Mayonnaise (Salad dressing, mayonnaise, regular) .

Butter, Unsalted g

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FAQ

Does mayonnaise or butter, unsalted contain more calories in 100 grams?
Both mayonnaise and butter, unsalted are high in calories. Butter, unsalted has a little more calories ( 10%) than mayonnaise by weight - mayonnaise has 680 calories in 100g and butter, unsalted has 717 calories.