Rhonda Patrick: Eating this transiently lowers testosterone by 25%

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Peer-Reviewed Research
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Rhonda Patrick

Video Summary · March 18, 2026

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Key Takeaways

  • Avoid large amounts of sugar in a single sitting, as consuming around 80 grams (equivalent to a donut and a soda) can transiently lower testosterone levels by 25%.
  • Be mindful of daily sugar intake, as repeated consumption of sugary foods and drinks can compound this effect.

Notable Quotes

“If you take healthy young men and you give them a large bolus, like 80 grams or something, of sugar, it drops their testosterone levels by 25%.”

Bottom Line

Limit sugar consumption, especially in large quantities, to avoid temporary drops in testosterone levels.

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Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. The research summaries presented here are based on published studies and should not be used as a substitute for professional medical consultation. Always consult a qualified healthcare provider before making any changes to your health regimen.

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