Hiit
People mainly take Hiit for performance, memory, immunity. Based on 12 first-hand reports. Ranked #418 of 1,974 overall.
29
User score
Mostly positive42% positive8% mixed0% negative50% unclear
Of reports that state an outcome, 84% are positive.
Clinical research
Research pending
What Hiit does, according to users
Of the people who reported each effect, the share who said it got better.
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
Research data for Hiit is being compiled.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
4x/week4x/week
1x/weekas reported
4x4couple times a week
2-3x/weekas reported
Reported side effects
How often each side effect came up across all reports.
No side effects reported so far.
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“HIIT 4 times a week sounds a bit much, I'd swap out 2 of those sessions with strength training”
“HIIT is supposed to be another option.”
“Also, I would do HIIT instead of cardio.”
“High-intensity interval training resulted in significant increases...in total testosterone (G1=+29.4%, G2=+16.7%)”
“HIIT 2 to 3 times/week”
Top discussions (5)
- Lost 70kg/154lb, rebuilt muscle, now dealing with loose skin - looking for advice ↗
- Cardio is by far the greatest ‚hack‘ ↗
- Mind over matter is real and the hormone is called Irisin ↗
- Studies indicate that endurance training seems to lower testosterone, while strength training or HIIT may increase it. ↗
- Best habits for Cognitive enhancements ↗
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User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate