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Serena Williams Says GLP-1 Treatment Helped Her Lose More Than 31 Pounds

She credits a prescription from telehealth provider Ro with complementing her training after postpartum struggles.

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Serena Williams, Ro's new celebrity spokesperson, poses with a GLP-1 medication.

Overview

  • In new interviews published Aug. 21, 2025, Williams confirms she started weekly GLP-1 injections via a Ro physician after she stopped breastfeeding in early 2024.
  • She reports more energy, less joint pain, and improved blood sugar and says she has not experienced side effects.
  • Williams plans to continue the medication as needed and is currently training for a half marathon.
  • She is a paid spokesperson and ambassador for Ro, and her husband Alexis Ohanian is an investor and sits on the company’s board.
  • She did not disclose the specific drug and stresses the treatment supports ongoing diet and exercise rather than serving as a shortcut.