In a recent video spot, the 43-year-old athlete reveals that Ro helped her lose 31 pounds in eight months. “Yes, I’m on Ro. They say GLP-1s for weight loss is a shortcut. It’s not, it’s science. After kids, it’s a medicine my body needed,” she says.

Jameela Jamil has given her two cents on Serena Williams’ endorsement of the GLP-1 weight loss drug. On August 21, 2025, the tennis legend, in an Interview with PEOPLE, revealed that she had recently used the GLP-1 weight loss drug and lost about 31 pounds.