Health claim
“Excessive heat exposure from daily hot tub use reduces sperm count by up to 50%.”
Claim checked — strong evidenceLow riskother
Evidence Summary
Multiple well-designed studies consistently support this claim.
Heat stress is known to impair spermatogenesis; studies show significant reductions after prolonged scrotal heating.
Extracted from
The Best Fertility Supplements for Men, Explained by an Infertility DoctorRena Malik, M.D.
The video outlines several over‑the‑counter supplements that a fertility‑focused doctor claims can improve male reproductive health, while also promoting a paid course and bonuses.
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