I recently started using MyFitnessPal to try to lose weight and I noticed that a particular beer I had drunk has a tremendous number of calories relative to the number of grams of carbs it contains compared to something like rice or oatmeal. This ended up being a problem for me because it made it harder for me to hit my macro goals for the day without going over my daily calorie limit.

It could be that the nutritional information is incorrect (this beer isn't from a country that I totally trust the nutritional labels for), or it could be that the person who put the nutritional information into MyFitnessPal didn't do it correctly. I do remember hearing that beer has a lot of carbs, which would seem to go against what I'm saying here.

So: Can a calorie be neither protein, carb, nor fat?

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    Nucleic acids (DNA and RNA material) are common in every natural food (Say, leafs of a plant): The body can digest these but I don't know how exactly. Usually their caloric contribution is minimal and have no significant impact on weight. – JohnDoea Jan 25 at 6:44

Ethanol is caloric and is neither a carbohydrate, protein, or fat.

  • Thanks for the quick answer! Do you know where I can find a list of things that have calories but aren't carbs, proteins, or fat? – Nathan Wailes Jan 24 at 23:27
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    @NathanWailes IMO this is a good question for Chemistry StackExchange --- if you publish it you are welcome to inform me of it, if you want. – JohnDoea Jan 25 at 8:07
  • @JohnDoea Posted here. – Nathan Wailes Jan 26 at 0:22
  • @NathanWailes thank you, I upvoted. – JohnDoea Jan 26 at 0:23
  • How is ethanol excluded from the category of carbohydrates? I note that "Carbohydrates in human nutrition. (FAO Food and Nutrition Paper - 66)" begins chapter 1 with "Carbohydrates are polyhydroxy aldehydes, ketones, alcohols, acids, their simple derivatives and their polymers having linkages of the acetal type." – John Feb 5 at 0:13

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