Consumption of which macronutrient causes a reduction in cortisol levels?

Question

BlackTom AI · Accepted Answer

Question restatement: Consumption of which macronutrient causes a reduction in cortisol levels?

Option a: Water. This is not a macronutrient and by itself does not directly cause a reduction in cortisol levels through macronutrient metabolism. Hydration status can influence stress hormones indirectly, but water intake is not a primary modulator of cortisol reduction as a macronutrient effect.

Option b: Carbohydrate. This choice aligns with evidence that carbohydrate intake can blunt or lower cortisol responses, especially in situations of stress or exercise recovery, via insulin-mediated effects and glycogen restoration. The carbohydrate-induced increase in blood glucose stimulates insulin, which can help dampen HPA axis activity and reduce cortisol release.

Option c: Fat. While fats influence energy metabolism and hormonal responses, they are less consistently associated with a direct reduction in cortisol levels compared with carbohydrates. Some fatty acids may affect cortisol indirectly, but the effect is not as robust or direct.

Option d: Protein. Protein can influence insulin and amino acid availability, but it does not reliably produce a cortisol-lowering effect to the same extent as carbohydrates. Its primary roles relate to tissue repair and muscle synthesis rather than acute cortisol suppression.

In summary, among the listed macronutrients, carbohydrate intake has the strongest and most direct association with reducing cortisol levels in many contexts, whereas water, fat, and protein do not consistently produce the same cortisol-lowering effect.

Consumption of which macronutrient causes a reduction in cortisol levels?单项选择题

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