How much usable energy is contained in 1 gram of carbohydrates?
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4 min read
According to the Atwater system, a gram of digestible carbohydrate provides approximately 4 kilocalories (kcal) of usable energy. However, this is a generalized figure, as the actual amount of usable energy can vary based on the type of carbohydrate and individual metabolic processes. This reliable estimate is a cornerstone of nutritional science, helping us understand how our bodies are fueled for daily activities and cellular functions.
