GLP-1 Medications May Enhance Male Fertility, Research Finds

WHO:

CNN - Dr. Pratibha Natesh, consultant endocrinologist at University Hospitals Coventry and Warwickshire and honorary clinical lecturer at Warwick Medical School in England.

CNN - Dr. Lidia Mínguez Alarcón, Spanish reproductive epidemiologist and assistant professor of medicine at Brigham and Women’s Hospital and Harvard Medical School in Massachusetts.

CNN - Dr. Amin Herati, urologist and director of male infertility and men’s health at Johns Hopkins Hospital.

WHAT:

CNN - A study found that men taking GLP-1 medications for 24 weeks showed improved testosterone levels, sperm count, and sperm quality.

CNN - About 15% of couples in the United States have trouble conceiving, with more than half of those couples facing male infertility issues.

NY Post - Researchers believe that weight loss associated with GLP-1 medications brings fertility benefits.

WHERE:

CNN - The research was conducted in England.

WHEN:

CNN - The study duration was 24 weeks.

WHY:

CNN - Weight loss from GLP-1 medications can help with healthier hormone function, including testosterone levels.

CNN - Some individuals may struggle to lose weight due to hormone problems, which can affect fertility.

HOW:

CNN - GLP-1 medications may reduce inflammation and metabolic stress, which can limit sperm production.

CNN - The study focused on men with high body mass index to assess the effects of GLP-1 medications on fertility.

(UPDATED June 15, 2026 18:43 UTC)

A new study conducted in England has revealed that men taking GLP-1 medications for 24 weeks experienced significant improvements in testosterone levels, sperm count, and sperm quality. Researchers believe that the weight loss associated with these medications may lead to healthier hormone function, which is crucial for fertility, especially since about 15% of couples in the United States face difficulties conceiving, with many of those issues stemming from male infertility. The study specifically focused on men with high body mass index, highlighting how GLP-1 medications could potentially reduce inflammation and metabolic stress that limit sperm production.