Popular weight-loss drugs linked to unexpected male fertility benefit

Taking a GLP-1 medicine for weight nonaccomplishment whitethorn amended antheral fertility, according to experts.

Research presented this week astatine ENDO 2026, nan Endocrine Society’s yearly gathering successful Chicago, explored really obesity is powerfully linked to fertility problems successful men.

Excess weight tin lend to dysregulation of nan hypothalamic-pituitary-gonadal (HPG) axis — nan hormone strategy that regulates testosterone accumulation — and functional hypogonadism, a information successful which testosterone levels are abnormally debased because of disrupted hormone signaling. These changes tin besides impair semen quality.

WEIGHT-LOSS MEDICATIONS COULD IMPACT SEXUAL HEALTH IN UNEXPECTED WAYS

The researchers evaluated really GLP-1 weight-loss narcotics effect reproductive hormones and metabolic outcomes, analyzing data of men betwixt nan ages of 18 and 65 who were taking 1 of nan medications, according to a property release.

The systematic reappraisal of 5 randomized controlled tests focused connected measuring testosterone, encephalon hormones progressive successful testosterone and sperm production, and a macromolecule that carries activity hormones successful nan blood. Semen quality, weight and BMI, cholesterol and humor sweetener were besides measured.

Men pinch obesity and debased testosterone linked to obesity whitethorn acquisition improved testosterone, sperm value and metabolic heath while taking a GLP-1, nan study found. (iStock)

The results suggested that GLP-1 medications do not suppress antheral hormones. Men pinch obesity and debased testosterone linked to obesity whitethorn acquisition improved testosterone, sperm value and metabolic health, particularly during weight loss.

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In 1 four-week study, dulaglutide showed nary important changes successful reproductive hormones aliases sexual function.

In a abstracted 16-week trial, liraglutide improved hormones successful obese men pinch functional hypogonadism, meaning debased testosterone was apt related to obesity. The reappraisal recovered that liraglutide was amended for wellness outcomes than hormone replacement therapy.

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Another liraglutide study reported improved sperm attraction and count.

The study authors concluded that GLP-1s "do not look to acutely suppress nan antheral HPG axis and whitethorn amended reproductive hormones and semen parameters successful obese hypogonadal men, mostly wrong nan discourse of weight loss." (iStock)

A 24-week proceedings of semaglutide, known commercially arsenic Ozempic and Wegovy, saw betterment successful sperm style and bad cholesterol, while preserving full testosterone.

As only 5 tests were included, nan mini grounds guidelines suggests much investigation is basal to beryllium further association.

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In an absurd of nan research, nan authors summed up that GLP-1s "do not look to acutely suppress nan antheral HPG axis and whitethorn amended reproductive hormones and semen parameters successful obese hypogonadal men, mostly wrong nan discourse of weight loss."

"However, grounds remains constricted and heterogeneous, underscoring nan request for larger RCTs explicitly powered to measure antheral reproductive outcomes," they wrote.

"This provides early grounds that GLP-1 medications taken by obese men pinch hypogonadism/low testosterone (low T) improves testosterone levels," 1 expert said. (iStock)

Dr. Anthony Puopolo, men’s wellness master and lead aesculapian supplier for RexMD, reflected connected these findings successful an question and reply pinch Fox News Digital.

"This provides early grounds that GLP-1 medications taken by obese men pinch hypogonadism/low testosterone (low T) improves testosterone levels," he said.

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While much investigation is necessary, Pupolo, who was not progressive successful nan study, shared his optimism astir really GLP-1s tin play a domiciled successful improving antheral fertility.

"If this uncovering continues to summation evidence, GLP-1s mightiness beryllium a amended action for debased T than testosterone replacement therapy (TRT) successful obese men – arsenic GLP-1 medications sphere fertility, whereas TRT tends to beryllium harmful to antheral reproductive/sperm function," he added.