Since she stepped away from competition, Serena Williams has become a spokesperson for Ro, promoting the online pharmacy’s GLP-1 medications.

Serena Williams is part of a growing cohort of people using peptides like GLP-1 drugs for longevity, recovery, and performance — not just weight loss.

Since she stepped away from competition, Serena Williams has become a spokesperson for Ro, promoting the online pharmacy’s GLP-1 medications.