left: Bryan Johnson and Kate Tolo (X/bryan_johnson) Right: Svetlana - stock.adobe.com

Leave it to famed biohacker Bryan Johnson to have everyone wondering what’s going on down there .

The health nut sent social media into a frenzy last week after posting a late-night update about his girlfriend, Kate Tolo — and her top-tier vaginal test results.

“Just gave Kate oral sex. Goodnight, everyone,” Johnson, 48, wrote on X , before following up with a screenshot of her vaginal health report and a bold claim: she has the “top 1% of all vaginas.”

Johnson explained that her sample is dominated by the single most protective bacterial species a vagina can host — Lactobacillus crispatus . Research suggests only about 25%-30% of reproductive-age women globally are L. crispatus-dominant. ‘Dominant’ typically means over 50%, and Kate’s result was 98.7%.…