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Slideshow
GLP-1s can make the pounds come off quickly. Withings reveals what you're actually losing, helping you monitoring lean muscle for lasting results.
The silent risk
A standard scale can't tell if you're losing fat or vital muscle. BodyFit reveals your body composition in one 30-second scan.
SEGMENTAL BODY COMPOSITION
Map fat loss and muscle retention across your entire body. Segmental tracking reveals where you're losing mass, so you're guided to adjust your routine or celebrate progress.
Understand your body
Trust the trend, not the Tuesday.
When overall weight stalls, your body composition keeps evolving. BodyFit shows what's really happening under the surface—fat dropping, water shifting, and muscle holding. That way, a plateau never feels like defeat.
Maintenance after GLP-1
Most people eventually taper off GLP-1 medications, making weight regain the #2 concern among Withings users on GLP-1s.³ The muscle you monitor today powers your long-term maintenance tomorrow.
A regular scale gives you one number. Here's the rest.
01 · Fat or muscle?
Advanced bioelectrical impedance reads fat, muscle and water in seconds so every pound is accounted for, not guessed.
02 · Know your next move
The BodyPath wellness feature translates every scan into plain-language advice. Know immediately whether you have to focus on food or exercise, or consult your doctor.
03 · A trend you can act on
Daily numbers fluctuate with hydration and timing. BodyFit turns daily noise into clear weekly trends you can actually act on.
04 · Walk in with proof, not guesses
Export a clean PDF of your weight and body composition trends in seconds. Your doctor gets data, not anecdotes.
05 · Maintain your results after GLP-1
The muscle you protect today sustains your results tomorrow. Track through tapering and maintenance so your hard-earned progress lasts.
4 scans a year · about $150 each
Paid once · unlimited readings
Trusted by 1M+ Withings GLP-1 users and partnered with 30+ clinical care programs.
Individual results may vary.
It wasn't until taking Zepbound that suddenly Withings went from nice to have to wouldn't go without.
July 2026 survey
"I heard so much about losing muscle it was scary. I ate my protein and stayed active and I'm very happy with my results."
July 2026 survey
"My weight will stay flat, but the composition has changed. Huge deal. Game changer."
July 2026 survey
"Helps me modify or adapt my program, so I'm ensuring I'm doing the right exercise and protein intake to protect my muscle and primarily drop fat."
July 2026 survey
"It tracks my weight and body fat versus lean, so I know if it is good fat loss or bad muscle loss."
July 2026 survey
"Love the tracking and composition. If my weight is up and it's water or muscle, I'm good."
July 2026 survey
"The experience made this health journey much more personalized and connected me with my body in a way that I have not experienced before."
July 2026 survey
"Withings was very helpful in tracking my weight loss and efforts to hang on to muscle."
July 2026 survey
"Body composition helped me focus on maintaining muscle while losing fat and has become my primary focus now that I am maintaining my goal weight."
July 2026 survey
"Great tool for anyone on a weight loss journey, GLP or not."
July 2026 survey
The Withings app, rated 4.6 ★
on the app store (366k reviews, oct. 2026)
✓ Shareable PDF reports for every doctor visit.
✓ Calm trend lines that filter out daily weight spikes.
✓ Automatic sync with Apple Health, Google Fit, and 100+ apps⁶.
BodyFit uses multi-frequency bioelectrical impedance (BIA) to estimate fat, muscle, and water. Like every BIA device, individual readings can shift with hydration, timing, and conditions. That's why BodyFit is built around consistency: weigh in at the same time, under the same conditions, and let the app read your trend over weeks — not any single number. For decisions about your treatment, bring your trend report to your doctor. That's the number that matters.
Yes. BodyFit tracks weight and body composition whatever GLP-1 medication you've been prescribed — semaglutide, tirzepatide, or oral forms. Withings doesn't sell or prescribe medication; we help you see what it's doing.
Your data is encrypted and never sold. You choose what to share — including a report you can send to your doctor — and you can export or delete your data at any time.
No. BodyFit works fully with the free Withings app. Your purchase includes 1 month of Withings+; it's optional after that.
Keep the scale. Tracking through tapering and maintenance is where many users say it matters most — it's how you keep an eye on the results you worked for.
Yes — BodyFit is HSA/FSA eligible.
You should not use BodyFit if you wear a pacemaker or other internal medical device. BodyFit circulates a small electrical signal in your body to perform some measurements (such as fat mass), which may interfere with a pacemaker or other medical device. There are no known risks for pregnant women using Withings scales; however, you cannot expect an accurate fat-mass reading, so we recommend disabling the fat-mass measurement.
Add BodyFit to your GLP-1 journey — and see what every pound you lose is made of.
HSA / FSA eligible · 30-day returns · 2-year warranty · Free shipping
¹ Prado CM, Phillips SM, Gonzalez MC, Heymsfield SB. Muscle matters: the effects of medically induced weight loss on skeletal muscle. Lancet Diabetes Endocrinol. 2024;12(11):785–787. Studies of GLP-1 receptor agonists report fat-free (lean) mass reductions of 25–39% of total weight lost over 36–72 weeks. Individual results vary.
² Withings internal data, 2026 — users tracking a GLP-1 journey on Withings scales.
³ Withings internal user survey, July 2026, n = 1,620 U.S. Withings scale owners on GLP-1. Self-reported.
⁴ Average measured weight loss of 10.6% among Withings scale users on GLP-1, n = 1,848. Withings internal data.
⁵ Typical U.S. price range for a clinic body-composition scan: $100–250 per visit. Source
⁶ Data sharing requires a Withings+ subscription, click here to know more about the subscription
Withings devices are not intended to diagnose, treat, cure, or prevent any disease. Withings does not sell or prescribe GLP-1 medications. Always talk to your doctor about your treatment.
*A 99% correlation does not mean that a single body fat measurement taken with Body Scan will be within ±1% of a DEXA measurement, nor does it mean that two consecutive measurements will be within ±1% of each other. Read more on this article.
**Withings+ new subscribers: first month free, then $9.95/month (or $99.50/year) charged automatically until you cancel. Cancel any time in your account to avoid future charges.
