How many kcal per gram are in fats?

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Multiple Choice

How many kcal per gram are in fats?

Explanation:
Fats carry the most energy per gram among the macronutrients, giving about 9 kcal per gram when fully oxidized. This higher energy density comes from the structure of fatty acids and how energy is released during metabolism. In nutrition practice, the Atwater factors assign 9 kcal/g to fat, 4 kcal/g to carbohydrate and protein, and 7 kcal/g to alcohol. So fats provide roughly 9 kilocalories per gram, while carbohydrates and proteins offer about 4 kcal/g and alcohol about 7 kcal/g. The other options reflect the energy values of the other nutrients or substances, not fats.

Fats carry the most energy per gram among the macronutrients, giving about 9 kcal per gram when fully oxidized. This higher energy density comes from the structure of fatty acids and how energy is released during metabolism. In nutrition practice, the Atwater factors assign 9 kcal/g to fat, 4 kcal/g to carbohydrate and protein, and 7 kcal/g to alcohol. So fats provide roughly 9 kilocalories per gram, while carbohydrates and proteins offer about 4 kcal/g and alcohol about 7 kcal/g. The other options reflect the energy values of the other nutrients or substances, not fats.

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