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The latest benefit of obesity drugs: boosting testosterone ...

NEWS 15 June 2026 Preliminary study finds that testosterone levels increase or stabilize in people taking GLP-1 medications. By Mariana Lenharo0 Mariana Lenharo Mariana Lenharo is a reporter for Nature in New York City. The latest generation of obesity drugs m

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The latest generation of obesity drugs might have another potential benefit: improving fertility in men. A systematic review presented on 15 June at the Endocrine Society’s annual meeting in Chicago, Illinois, suggests that GLP-1 medications might increase testosterone levels and help to improve the quality of sperm in men with obesity.

Nature 654, 851-852 (2026)

doi: https://doi.org/10.1038/d41586-026-01867-0

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