Will Taking a Probiotic Enlarge Your Testicles? A Penis Expert Weighs In

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Playing Will Probiotics Make Men’s Testicles Bigger?

Can a probiotic affect the size of your genitals, specifically the testicles? Penis expert and urologist  Dr. Aaron Spitz weighs on!

The Doctors explain some people believe taking a specific probiotic strain can increase the size of your testes. Dr. Spitz -- a noted fan of a well-placed pun -- calls this claim "nuts." "

"They say bigger is better but is it?" Dr. Spitz says, explaining, "The size of a man's testicles is rarely of any importance in the amount of testosterone a man is producing." He goes on to note the bulk of what makes up a testicle is responsible for producing sperm and not the hormone testosterone.

In fact, large testicles can be a possible sign of health issues like testicular cancer, a hernia, a collection of fluid, or an infection the urologist notes.

Dr. Spitz says thus far there is no proof that probiotics can have an effect on sexual health (including enlarging the testicles or boosting the production of sperm or testosterone) in humans.

He notes in studies -- which were conducted on mice -- the animal's testicles did not increase, they simply did not decline or grow smaller, which happens with age. He also notes rates of inflammation in the mice were lower along with the mice not gaining as much weight as they grew older.

The penis expert says a clinical trial in Sweden is studying whether probiotics in men over the age of 50 may help increase testosterone production and is currently underway but stresses men should not believe or rely on anecdotal or online claims regarding probiotics and testicles.  

Watch: Can the COVID-19 Vaccine Cause Damage to Men’s Testicles?

Watch: What Getting Sick with COVID Can Do to Your Testicles

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Playing Should You Take a Probiotic to Improve Men’s Health Concerns?

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