I’ve always heard that calories are just from carbohydrates, fat, and protein. But I heard recently we get calories from alcohol. And that alcohol is not just a form of one of the other 3. We get a different amount of calories from alcohol than any of the other 3.
* Fat: 1 gram = 9 calories
* Protein: 1 gram = 4 calories
* Carbohydrates: 1 gram = 4 calories
* Alcohol: 1 gram = 7 calories
So do we get calories from alcohol as a separate type of substance than the other 3? And are there other things we can/do get calories from that are not normally listed?
In: Biology
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