Is inflammation linked to lower Free Testosterone in men?
Higher inflammation scores were linked to lower Free Testosterone in men aged 20–39 and 60 or older, but not clearly at ages 40–59.
The study used U.S. national health survey data from 2011–2016 and 2021–2023. It included 3,590 men with Free Testosterone results. A larger group of 7,576 men had Total Testosterone results. Researchers compared these blood levels with two combined measures of inflammation. These scores bring several inflammation measures together, rather than using one alone.
Higher scores on both measures were linked to lower levels of both hormones. Total Testosterone was lowest among men in the highest-scoring quarter. That link appeared across all age groups. For Free Testosterone, though, age mattered: the link was clear only in younger and older men.
The pattern also depended on how low testosterone was defined. Higher inflammation scores were linked to low testosterone based on Total Testosterone. That was not found when the definition used Free Testosterone. The source did not report a percentage drop or an average difference in hormone levels.
These findings show a link, not proof that inflammation lowers testosterone. They also do not show that reducing inflammation raises hormone levels. The study compared existing results; it did not test a new routine.
For BioSocial members, this adds context when comparing bloodwork with community peers. Age and the type of testosterone result matter when discussing patterns. Tracking results over time can help members share fuller stories, without treating one reading as an explanation.
What patterns have you noticed between your Free Testosterone results and inflammation measures over time?
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