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Strong Support

Among young, healthy men doing strength training for 12 weeks, eating a diet high in carbohydrates was linked to a small but statistically significant decrease in morning cortisol levels, while a high-fat diet showed a slightly larger but not statistically significant decrease. This suggests carbohydrate intake might have a modest effect on reducing cortisol after exercise.

48
Pro
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Against

Evidence from Studies

Supporting (1)

48

Community contributions welcome

48

The Combination of a Diversified Intake of Carbohydrates and Fats and Supplementation of Vitamin D in a Diet Does Not Affect the Levels of Hormones (Testosterone, Estradiol, and Cortisol) in Men Practicing Strength Training for the Duration of 12 Weeks

Randomized Controlled Trial
Human
2020 Nov 1

In a study of men lifting weights for 12 weeks, those who ate more carbs had a small but real drop in their morning stress hormone levels, while those who ate more fat didn’t. This suggests carbs might help the body recover better after workouts.

Contradicting (0)

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No contradicting evidence found

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Source Study

The Combination of a Diversified Intake of Carbohydrates and Fats and Supplementation of Vitamin D in a Diet Does Not Affect the Levels of Hormones (Testosterone, Estradiol, and Cortisol) in Men Practicing Strength Training for the Duration of 12 Weeks

Score: 48
DOI: 10.3390/ijerph17218057

Similar Assertions

If you're doing a really long, intense workout or two hard sessions in one day, eating carbs might help you lift more—but only if you were hungry or hadn't eaten, not if you're eating the same number of calories from other foods.

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In obese adults on a calorie-restricted diet, a 24-hour fast is linked to a measurable increase in the daily peak of cortisol and a shift in when that peak occurs, without changing the total amount of cortisol produced over 24 hours.

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70%