Tag: 4 kcal

According to the USDA National Agricultural Library, one gram of carbohydrate or protein provides approximately 4 kcal of energy. This metric, often seen on nutrition labels, is a fundamental concept for understanding the energy content of the foods you consume.

Nutritional science confirms that different macronutrients yield varying levels of energy; for instance, fat provides more than twice the calories of carbohydrates or protein. This article clarifies which of the following provides 4 kcal/gram of direct energy, a fundamental concept for anyone seeking to understand metabolism and dietary intake.