What is the caloric contribution of alcohol compared to other macronutrients?
Ethanol provides 7 kcal per gram, which places it between fat at 9 kcal per gram and protein or carbohydrates at 4 kcal per gram. Importantly, these calories do not contribute to muscle or fat tissue in a beneficial way, as alcohol has no essential nutritional function and displaces more nutritious caloric sources.
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