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Cortisol and Exercise: What to Know Before Taking Supplements (opens in a new tab)

menshealth.com · 2026-09-23

Short answerEvidenceSource

Short answer

Not a single study

No clear answer.

The article covers a research area rather than reporting a specific new paper, so there is no single study to check it against.

Checked against the study summary. The full text wasn't available, so some details couldn't be settled either way.

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This story isn't reporting one study.

The article covers a research area rather than reporting a specific new paper, so there is no single study to check it against.

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No single source study.

The article covers a research area rather than reporting a specific new paper, so there is no single study to check it against.

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The research anchor for the report.

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and 11 more considered

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What the story asserts. With no source study, there is nothing to check these against.

Claim 1 of 6Not checkedThe article says the cortisol spike from a hard workout is adaptive, self-limiting, and intensity-dependent, rather than the main thing preventing recovery.View evidenceHide evidence

As statedroughly 60 percent of VO2max just to raise cortisol at all

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NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 2 of 6Not checkedThe article says exercise below about 60% of VO2max actually lowers cortisol, so the problem targeted by cortisol-lowering products is not happening in the first place for many workouts.View evidenceHide evidence

As statedroughly 60 percent of VO2max

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NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 3 of 6Not checkedThe article says chronic cortisol elevation can happen with overtraining or general psychological stress, but not from a random Tuesday leg day.View evidenceHide evidence

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NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 4 of 6Not checkedThe article says researchers studying genuinely overtrained athletes find a blunted cortisol response, not elevated cortisol, and that healthy athletes had the highest responses.View evidenceHide evidence

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NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 5 of 6Not checkedThe article says resting cortisol is not a useful measurement for overtraining, according to the American College of Sports Medicine as quoted in the story.View evidenceHide evidence

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NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 6 of 6Not checkedThe article says the real recovery levers are sleep, adequate eating, and managing training load, and that protein and carbs are the key nutritional basics after hard training.View evidenceHide evidence

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NewsLink could not identify one source study, so this claim was not compared against a paper.

Finally, the search trail

Method layer

No single source study was found.

NewsLink still surfaces nearby research so you can inspect the field instead of a single paper.

Nearby research

No exact source, but these papers are close.

PubMed, Crossref, Europe PMC · 15 candidate papers

Candidate

Effects of High-Intensity Isokinetic Exercise on Salivary Cortisol in Athletes With Different Training Schedules: Relationships to Serum Cortisol and Lactate

Yearbook of Sports Medicine · 2006 · Crossref

Source (opens in a new tab)

And 10 more candidates considered.