Topic

Testosterone

What actually moves testosterone and what does not, and where sauna and heat land in the picture. Levels, optimization, and the decline that comes with age.

An illustrated figure in Oakman boxer briefs holding a sword, standing in a wide stance against a glowing background.
Testicle Temperature and Testosterone
TestosteroneScrotal Temperature
Heat impairs the temperature-sensitive enzymes inside Leydig cells, the cells responsible for roughly 95 percent of a man's testosterone production, reducing their ability to convert cholesterol into testosterone. Keeping the... Read more...
A sword-bearing illustrated figure in Oakman boxer briefs, glowing background behind him.
How To Naturally Support Healthy Testosterone
TestosteronePractical Protocol
Supporting healthy testosterone naturally comes down to the basics, sleep, resistance training, and managed stress, plus one lever most men overlook: keeping the testicles cool, since heat impairs the temperature-sensitive... Read more...
A sauna stove's stone-filled crate glowing with heat.
Does Sauna Affect Testosterone
TestosteroneClaims Examined
Sauna use raises scrotal temperature, which directly impairs the function of Leydig cells, the cells responsible for 95% of testosterone production. The effect is reversible, but the cellular mechanism is... Read more...
An illustrated figure in Oakman boxer briefs grips a sword, standing wide against warm light.
Does Heat Affect Testosterone
TestosteroneClaims Examined
Heat directly impairs the function of Leydig cells by disrupting the temperature-sensitive enzymes they rely on to produce testosterone. This effect is established in cellular and animal research: when scrotal... Read more...
An illustrated figure in Oakman boxer briefs drawing a bow and arrow.
Can Cooling Support Testosterone
TestosteroneClaims Examined
Cooling the testicles supports the temperature-sensitive Leydig cells responsible for testosterone production. The cellular mechanism is established: keeping the testicles cooler maintains the conditions these cells need to produce testosterone... Read more...
An illustrated figure wielding a spear, wearing Oakman boxer briefs, one arm extended forward.
How to Keep the Testicles Cool
Sperm HealthTestosterone
The testicles are designed to operate several degrees Fahrenheit below core body temperature. Keeping them cool involves breathable fabrics, proper fit, and active cooling during heat exposure. Read more...