Our saunas are designed for longevity enthusiasts who seek to reduce the risk of chronic diseases, improve their quality of life, and extend their healthiest years. People with certain health conditions, such as heart disease or low blood pressure, should consult with a healthcare provider before starting sauna therapy. While sauna bathing can offer a range of potential health benefits, it's important to approach it with care.
Traditional Saunas use high heat and humidity, delivering the most intense thermal environment. Better blood flow enhances nutrient and oxygen delivery throughout the body—including to the testes, where sperm are produced. For men balancing careers, workouts, and family responsibilities, this natural stress reset can be game-changing.
Maintain healthy body composition (excess fat converts testosterone to estrogen via aromatase). For men focused on body composition and aging well, the GH response to sauna may be the more reliable and significant hormonal benefit. The indirect pathways through which sauna supports testosterone may be more significant than any direct heat effect — and they're better supported by evidence. Sperm production takes approximately 74 days — meaning heat-related effects on fertility are temporary but require weeks to fully reverse after stopping exposure. Hot baths, saunas, tight underwear, laptop computers on laps, and prolonged sitting in heated car seats have all been studied as contributors to male subfertility. While some studies show promising results, the jury’s still out on a definitive sauna-testosterone link.
Some studies suggest a potential increase in testosterone levels following sauna bathing, while others report no significant change. Several studies have investigated the effects of sauna bathing on the endocrine system, with a particular focus on hormones like cortisol, growth hormone, and testosterone. Growth hormone increases substantially during heat stress, and unlike testosterone, the scrotal heat concern doesn't apply (GH is produced in the pituitary gland).
A later study using repeated sessions showed elevations up to 16-fold. Local codes and regulations vary by jurisdiction.Individual results from sauna use may vary. And if you have questions about which type of sauna is best for your situation, our team is always available to help. The men who get the most out of sauna use are the ones who approach it as a consistent practice rather than a one-time intervention. For most men, these indirect benefits are far more impactful than any single supplement or quick fix could ever be.
Younger men saw their GH levels jump from baseline 2 μg/L to 5 μg/L after just 15 minutes at 72°C4. Research shows that blocking the integrated stress response in testicular tissue got more steroid synthase in older mice36. This process helps produce steroidogenic acute regulatory protein (StAR), which plays a key role in testosterone synthesis. Sauna use becomes especially important for men who experience age-related testosterone decline.

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