Clinical trials suggest GLP-1s may improve fertility in men with obesity

GLP-1s do not harm male hormones or fertility after long-term use, according to a study being presented Monday at ENDO 2026, the Endocrine Society's annual meeting in Chicago.

In fact, the research team found GLP-1s may improve testosterone levels and sperm quality in men with obesity-related low testosterone, while also addressing the underlying effects of obesity. ...