Nutrition Quiz: Most Calories in Fat

Which of the following sources of fat has the most calories/kilojoules?

One teaspoon of butter 163 29%
One teaspoon of margarine spread 66 12%
One teaspoon of oil 97 17%
They all have the same 244 43%

Total votes: 570

See the Correct Answer


The energy content of all fats and oils are essentially the same, so the correct answer is that they are all the same. You can purchase some lower fat varieties of margarine spread, but that is just mixed with other substances to effectively reduce the amount of margarine. There are also some 'light' oils, but these are light in taste or color, not in energy content.

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