Serena Williams has spoken openly about using a GLP-1 medication after years of struggling to reach a comfortable weight following pregnancy, noting that it led to a little over 30 pounds of weight loss and describing the treatment not as a shortcut, but as “the medicine my body needed.”
Williams has said her weight loss came from layering a weekly GLP-1 injection on top of work she was already doing, rather than replacing it. She has described three elements working together:
A weekly GLP-1 injection added through a telehealth program.
Ongoing training, including preparation for a half-marathon.
Careful eating and regular medical supervision.
She has said she had “done everything” when it came to workouts and nutrition, yet “nothing was happening” on the scale until the medication was added.
Williams describes starting GLP-1 treatment about six months after she stopped breastfeeding her younger daughter, Adira, once she and her doctor felt the timing was appropriate.
She continued to train throughout that period and repeatedly stresses that the medication worked alongside her effort.
“I had never taken shortcuts in my career and always worked really hard,” she said. “So it was very frustrating to do all the same things and never be able to change that number on the scale.”
Important Clarification. Access to an online GLP-1 program or platform does not equate to clinical approval. Eligibility for GLP-1 medication is determined independently by licensed clinicians based on individual medical evaluation.
2. Did Serena Williams Use Ozempic or Zepbound for Weight Loss?
Reports describe Williams’ medication as a GLP-1 weight loss drug, with several outlets identifying it as Zepbound, a GLP-1 agonist first approved for diabetes and later prescribed for obesity and weight management.
In interviews from August 2025, Williams confirmed that she had been “using Zepbound,” calling it “a medication commonly prescribed for diabetes that is now also utilized for weight management.”
When discussing medication publicly, Williams has drawn clear lines around how she frames it:
She confirms using Zepbound but avoids centering her story on brand names.
She typically refers to her treatment as “a GLP-1” or “GLP-1s,” focusing on the category rather than the label.
She has not described her experience in terms of Ozempic specifically.
She has said early speculation linking her weight loss to Ozempic came from appearances, not from her statements.
“I’ve been really open about being on GLP-1s,” Williams said, explaining that she wanted to talk honestly about the type of medication she was using without turning it into a brand discussion.
3. Why Did Serena Williams Lose Weight?
Williams has tied her decision to lose weight to underlying health priorities rather than appearance alone, framing it as a continuation of concerns she had been carrying for years.
She has said the decision came down to feeling that “my health had to come first,” particularly after decades of high-impact training.
Rather than repeating the physical challenges described elsewhere, Williams has emphasized the health lens that ultimately shaped her choice:
A family history of diabetes that heightened long-term risk awareness.
Ongoing concerns about heart health beyond her athletic career.
The cumulative impact of years of elite competition on joint health.
She has also described how pregnancy clarified those concerns. After the birth of her younger daughter, Adira, she recalled losing “a lot” of weight initially before reaching a plateau.
“I never lost another pound,” she said, despite continued training and careful eating. That moment, she has explained, shifted the decision from frustration toward prevention.
As she put it, the goal was “being here for my kids long-term,” framing the choice as a forward‑looking health decision rather than a reaction to how her body looked.
4. How Did Serena Williams Lose Weight So Fast?
Williams has addressed the idea of speed by emphasizing context rather than pace. While she lost roughly 31 pounds over about a year of GLP-1 use, later updating that total to around 34 pounds, she has been clear that the change followed years of stalled progress.
“It didn’t happen overnight,” she has said.
What she highlights in this part of her story is not the amount lost, but how her body finally responded once appetite and satiety signals changed:
A gradual timeline spanning roughly a year, not a rapid drop.
Consistency made possible by changes in hunger and fullness.
Continued training, including preparation for a half-marathon.
In interviews, Williams explains that GLP-1 treatment altered day‑to‑day appetite cues, allowing existing routines to finally translate into results.
She describes the medication as “a really good decision I had to make for my life,” framing this phase not as acceleration, but as alignment after other strategies had stopped producing change.
Important Clarification. Individual timelines and responses to GLP-1 medications vary widely. The pace and degree of weight change described here reflect one person’s experience and do not represent standardized outcomes or eligibility criteria, which are determined independently by licensed clinicians.
5. What Is Serena’s Thought Process for Using GLP-1?
Williams frames this part of her story around decision logic rather than outcomes or timelines. She has repeatedly pushed back on the idea that GLP-1s are a “shortcut,” explaining that her focus was on how the medication fit into the discipline she already maintained.
“I’ve tried every diet, I’ve tried every workout … I was walking for hours,” Williams said, noting that despite sustained effort, her body “never” responded in a lasting way.
In explaining her thinking, she has emphasized a few key points:
The need to address appetite signaling rather than motivation.
A desire to support existing habits, not replace them.
Frustration with inconsistency after years of effort.
She has described GLP-1s as a problem‑solving tool that allowed her routines to finally function as intended.
As she put it, the medication “helped me enhance everything that I was already doing … eating right and working out,” keeping the focus on reasoning rather than results.
Important Clarification. Personal reasoning or decision making shared by an individual does not establish a standard approach. Decisions about GLP-1 use are made on an individual basis by licensed clinicians following medical evaluation.
6. How Did Serena Williams Combine GLP-1 With Exercise?
Williams frames this part of her experience around how movement felt different once her weight began to change.
She has said the medication reduced physical strain, which made exercise feel more accessible and enjoyable day to day.
She now concentrates on a smaller group of activities she genuinely enjoys, including running, Pilates, casual tennis, and long walks.
“Running and Pilates are integral for me,” Williams has said, adding that she now “loves running.” While training for a half-marathon, she noted, “I am running farther than I ever have,” and explained that her joints feel better carrying less weight.
Instead of increasing intensity, Williams describes sticking with familiar routines and noticing a different physical response.
This shift, from forcing workouts to sustaining movement she enjoys, is how she explains the role exercise plays in this phase of her journey.
Table 1. How Exercise Fit Into Serena Williams’ Routine Before and After GLP-1
Activity Context
Before GLP-1
After GLP-1
Training effort
Long hours of intense exercise with limited visible change
Similar effort with results aligning more closely to work put in
Running
Described as physically demanding and difficult to sustain
“Running and Pilates are integral for me … I love running.”
Daily movement
Extremely high activity levels without predictable outcomes
“I am running farther than I ever have,” alongside walks and Pilates
Physical response
“Nothing was happening” despite consistent training
Reduced strain and improved joint comfort while exercising
7. How Did Serena Eat While Using a GLP-1?
Williams has talked about her eating habits in broad terms, emphasizing that she did not adopt a strict plan or dramatic overhaul while using a GLP-1.
When describing how she ate during this period, Williams has highlighted a few steady patterns:
Simple, home-cooked meals instead of structured diets.
Regular protein intake as part of everyday eating.
Familiar foods, including beans, which she has mentioned as a protein source.
An emphasis on sustainability rather than restriction.
“I still eat,” Williams said, explaining that the medication helped meals feel more manageable without changing what she chose to eat. In her telling, GLP-1s did not redefine her diet, but made it easier to maintain familiar habits over time.
8. How Much Does Serena Weigh?
Williams has not shared a specific current target weight, and she has consistently resisted framing her progress around a single number.
While reports note a loss in the range of roughly 31 to 34 pounds during GLP-1 use, she has emphasized that the figure matters less to her than how she feels day to day.
“I feel great … I feel really good and healthy,” Williams has said. “I feel light physically and light mentally.”
Rather than revisiting the mechanics of weight loss already discussed, Williams has explained that she evaluates progress through broader indicators:
Physical comfort and reduced strain.
Mental clarity and energy levels.
Improvements in measurable health markers, such as cholesterol.
Long‑term risk reduction rather than short‑term scale changes.
She has described these factors as more motivating than a precise number, framing weight as context rather than a goal. In her telling, this part of the journey reflects a shift toward overall wellbeing, not a destination defined by the scale.
Approximately 31–34 pounds lost over about one year
Timeframe
Gradual change following years of stalled progress
How progress is described
“I feel great … I feel really good and healthy.”
What she avoids
“I don’t focus on the number,” emphasizing wellbeing over scale goals
9. How Has Serena Williams Described Her GLP-1 Weight Loss Experience?
Williams explains why she chose to speak so openly about it. As a high-profile athlete, she has opted for plain language instead of distancing or euphemisms.
During a television appearance, she referred to the treatment as a “weight loss shot” and said she had “been really open about me being on GLP-1s,” framing transparency as intentional rather than reactive.
When discussing her public approach, Williams has emphasized a few communication choices:
Framing the decision as medical, following research and conversations with her physician.
Using straightforward language rather than coded phrasing.
Addressing misconceptions directly, particularly the idea that GLP-1s are a shortcut.
“A misconception is that it’s a shortcut,” she said. “As an athlete and as someone that has done everything, I just couldn’t get my weight to where I needed to be at a healthy place … and believe me, I don’t take shortcuts.”
In this context, Williams presents openness itself as part of the experience. It is a way to control the narrative and clarify how GLP-1s fit into a broader lifestyle approach, rather than letting speculation define the story.
10. What Has Serena Williams Said About Challenges Before Using a GLP-1?
Williams has described this period less in terms of tactics and more in terms of emotional dissonance.
After her pregnancies, she has said she “was never able to get to the weight I needed to be, no matter what I did, no matter how much I trained,” calling it “crazy” to put in that level of work and see no meaningful change.
When reflecting on that phase, Williams has focused on what felt unfamiliar and unsettling:
Losing the feedback loop between effort and results.
Feeling disconnected from a body she had trusted for decades.
Experiencing frustration not from lack of discipline, but from lack of response.
For an athlete accustomed to seeing work translate directly into outcomes, that disconnect marked a turning point.
Williams has explained that this loss of predictability, rather than a single plateau, is what ultimately led her to explore GLP-1 treatment as a medically guided option after other approaches stopped aligning with how her body responded.
11. How Does Serena Williams Frame Her GLP-1 Weight Loss Experience Overall?
Williams articulates what the experience represents to her now. She frames GLP-1 therapy as a health‑anchored turning point rather than a cosmetic decision.
“I feel healthier. I feel lighter. I feel great. It’s a really good feeling,” Williams has said, pointing to what she describes as meaningful improvements in how she feels day to day.
At this stage, she emphasizes broader takeaways rather than metrics:
A sense of physical and mental lightness.
Reduced strain after years of elite competition.
Greater confidence in long-term health direction.
Williams also acknowledges the stigma surrounding weight loss medications, but situates her choice within the same work ethic that defined her tennis career.
By describing GLP-1 as “the medicine my body needed,” she frames the experience as a supportive tool within an ongoing commitment to movement, training, and overall wellbeing, not as an endpoint or a standalone solution.
12. How Serena Williams’ Journey Fits Into the Broader GLP-1 Conversation
Williams’ experience has unfolded alongside a growing public conversation about GLP-1 medications, as more public figures discuss them openly. GLP-1s have increasingly moved from clinical settings into mainstream discussions about weight, health, and aging.
Her account reflects several themes now common in that broader conversation:
Frustration with traditional approaches that stopped working.
Greater focus on long-term health markers over short-term outcomes.
A push for clearer, less stigmatized language around medical weight management.
At the same time, her story remains personal and specific, shaped by her medical history, training background, and clinician guidance. In that context, Williams’ GLP-1 journey functions less as a template and more as an example of how these medications are now being discussed publicly.
Sources:
PEOPLE. “Serena Williams on losing weight with GLP-1s and feeling at her healthiest.” August 2024.
Entertainment Tonight / TODAY Show. Television interviews and clips of Serena Williams discussing GLP-1 use and describing a “weight loss shot.” August 2024.
USA TODAY. Coverage of Serena Williams’ GLP-1 journey, Zepbound use, and reported 31-pound weight loss. August 22, 2025.
ESSENCE. Interview with Serena Williams on losing 31 pounds, family history of diabetes, and knee health. August 2024.
E! News. Coverage and commentary on Serena Williams’ discussion of GLP-1 medications, including related public conversations. August 2024.
Emily Vaneck. Commentary and analysis on Serena Williams’ GLP-1 weight loss story and broader implications. 2024.
