Josh Duhamel feels 'stronger' with testosterone therapy. What is it?
Actor Josh Duhamel is discussing his use of testosterone replacement therapy, which he credits for improved physical well-being. Medical experts caution that the treatment should only be used for clinically confirmed deficiencies rather than performance enhancement.
Why it matters
As testosterone therapy gains popularity among men, understanding the medical necessity versus the potential risks is critical for public health awareness.
Hear this story Josh Duhamel is opening up about his use of testosterone replacement therapy − an increasingly popular supplement option among men that some may take without understanding the potential risks .
On Dave Asprey's "The Human Upgrade" podcast on Sept. 16, Duhamel, 53, said he learned he had low levels in his early 40s.
"I feel better now than I did in my early to mid-30s," the actor said, adding he injects testosterone three times per week. "I'm not even kidding you. My joints, my back, my knees. I just feel stronger."
Other public figures like Joe Rogan and Dax Shepard have also spoken about their use of the hormone therapy. And it's made headlines with Defense Secretary Pete Hegseth announcing the U.S. military will begin testing troops' testosterone levels.
Here's what to know, according to experts, including potential risks.
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