Andrew Huberman· PhD
And it is the combination of testosterone from the Leydig cells and ABP from the Sertoli cells that is necessary for spermatogenesis.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
And it is the combination of testosterone from the Leydig cells and ABP from the Sertoli cells that is necessary for spermatogenesis.
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and within the testes themselves the Leydig cells, which produce testosterone, the Sertoli cells, which are the support cells that allow spermatogenesis to occur.