Serena Williams sparked a heated debate after revealing she lost 31 pounds using a GLP-1 drug. While the tennis legend praised the medication for helping her reach her postpartum goals, actress Jameela Jamil quickly pushed back, warning fans about the drug’s “devastating” risks and questioning the ethics of celebrity endorsements.

The messaging here is so wrong coming from an athlete like her and very dangerous for society,” a fan said of the tennis champion on Instagram.

Celebrities have access to doctors that most others don’t,” Jameela Jamil flags the risks of GLP-1s like those Serena Williams endorsed