descriptive
Analysis v1
Strong Support

In young, healthy men who regularly lift weights, eating a diet high in carbohydrates or high in fat—while maintaining sufficient protein and calories—does not change the levels of testosterone or estradiol in the blood.

48
Pro
0
Against

Evidence from Studies

Supporting (1)

48

Community contributions welcome

Scientists gave two groups of guys who lift weights different diets—one with lots of carbs, one with lots of fat—but their testosterone and estrogen levels stayed the same either way. So, what you eat (as long as it’s not extreme) doesn’t mess with these hormones in healthy, active men.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.