India, Aug. 21 -- Serena Williams revealed in an exclusive interview with TODAY.com that she has been taking GLP-1 medication to help with her recent weight loss. The 23-time Grand Slam champion revealed she began using a weight loss drug after her second child, as part of her paid partnership with health care company Ro. Williams revealed to the media outlet that she lost 31 pounds after she began the medication about a year ago. However, she did not reveal which kind.

According to NBC News, Ro is a telehealth company that prescribes GLP-1 medications, aims to normalize weight loss drug use, and challenge the stigma around it. Williams' spouse, Alexis Ohanian, is an investor in Ro and also serves on its board.

In an interview with TODA...