Which macronutrient provides the body with the most energy dense nutrient for athletes?
Fats
Fats provide roughly 9 kilocalories of energy per gram, which is more than double the approximately 4 kilocalories per gram supplied by either carbohydrates or proteins.
This makes fats the most energy-dense macronutrient, serving as a concentrated fuel reserve, particularly important during prolonged, lower-intensity physical activity.
Minerals do not provide caloric energy at all, and while carbohydrates and proteins are essential macronutrients, neither matches the energy density of fats.
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