For Ozempic · Wegovy · Mounjaro
Hold on to your muscle, cover your nutrients, catch side effects early — recalibrated for you every week.
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What nobody tells you
As much as 40% of the weight you lose can be fat-free mass — muscle included. You won't notice until you look in the mirror and don't recognize the person looking back.
Every approval trial ran with structured nutrition support alongside the drug. In real life you get a prescription, a pen, and a pat on the back.
Less appetite means you eat less. But cut the wrong things and your metabolism winds down like an engine running dry. Then you stop the shot — and it all comes back, with interest.
Hollow cheeks, loose skin, a tired look. It happens when your body breaks down collagen and protein because you're not giving it what it needs. Go ahead and search it. Just not right before bed.
No coach. No community. No plan. Just you, scrolling Reddit threads at 11pm, hoping the nausea eases up tomorrow. That's not a health plan — that's gambling with your body.
A prescription. A pen. And then: good luck.
Your protection system
LEAN calculates your daily protein target from your weight, your activity level and your GLP-1 dose. You get actual meals — not vague advice like "eat more protein." The goal: keep the muscle while the fat goes.
No appetite? That's the point. LEAN plans meals that fit your new hunger window: small portions that still carry everything you need. If three bites is all you can manage, those three bites should count.
Every Sunday: 5 questions, 2 minutes. LEAN tracks your weight, your energy and your side effects, then adjusts the plan. Not on a hunch — on your data.
"Can I have sushi tonight?" — "Yes, but order sashimi instead of rolls and add a miso soup. That gets you 38g of protein." 24/7. No waiting room. No appointment.
Nausea, fatigue, constipation — LEAN spots the pattern in your symptoms and gives you something you can actually do about it. Before you start searching, LEAN already has an answer.
Numbers, not promises
Semaglutide produced 14.9% weight loss over 68 weeks in the STEP 1 trial — 33.7 lb on average. The part that matters: all 1,961 participants also received structured nutrition and exercise support. The drug on its own has never been studied.
Wilding et al., N Engl J Med 2021 (STEP 1) · doi:10.1056/NEJMoa2032183
Tirzepatide reached up to 22.5% weight loss over 72 weeks in SURMOUNT-1 — the highest figure measured in an approval trial so far. Here too, a lifestyle intervention ran alongside it.
Jastreboff et al., N Engl J Med 2022 (SURMOUNT-1) · doi:10.1056/NEJMoa2206038
STEP 3 combined semaglutide with 30 coaching sessions and a calorie-reduced diet — the result was 16% instead of 14.9%. 55.8% of participants lost at least 15% of their body weight. Support isn't a nice-to-have; it's an active ingredient.
Wadden et al., JAMA 2021 (STEP 3) · doi:10.1001/jama.2021.1831
In the body-composition substudy of STEP 1, roughly a third to 40% of the weight lost was fat-free mass — muscle included. Protein and resistance training are the only known protection against it.
Wilding et al., N Engl J Med 2021, DXA-Substudie · doi:10.1056/NEJMoa2032183
At least 1.2 g of protein per kg of body weight per day (about 0.55 g per pound), spread across your meals, plus progressive resistance training — that is the current recommendation for preserving fat-free mass on a GLP-1. The target figure is 1.6 g/kg (about 0.7 g/lb).
Clinical Nutrition ESPEN, 2026 · View source
One year after stopping semaglutide, two-thirds of the weight lost had returned — a −17.3% loss became −5.6% net. What stays is the habits you built along the way. Or doesn't.
Wilding et al., Diabetes Obes Metab 2022 (STEP 1 Extension) · doi:10.1111/dom.14725
Same molecule, same dose, same duration — the only difference was 30 coaching sessions and a nutrition plan alongside it. The result came in more than a full percentage point higher, and 55.8% of participants passed the 15% mark. That kind of support is exactly what LEAN is built to deliver — as an app, not an appointment.
Wadden et al., JAMA 2021 (STEP 3) · doi:10.1001/jama.2021.1831
One year after stopping semaglutide, a −17.3% weight loss had shrunk to −5.6% net. A meta-analysis across six trials puts regain at 60% within the first year, plateauing around 75%. What stays is the habits you built while you were on it.
Wilding et al., Diabetes Obes Metab 2022 (STEP 1 Extension) · doi:10.1111/dom.14725 — Budini et al., eClinicalMedicine 2026 · View source
We only cite what we can link. Every number on this page leads to the original publication — no “studies show” without a source.
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For everyone who wants the most out of their treatment:
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| What you pay today | What LEAN costs |
|---|---|
| GLP-1 out of pocket (US): $350–1,000+/month | LEAN Pro on top: €49/month |
| Registered dietitian: $100–200/session | Dr. Sarah Chen 24/7, included |
| Personal trainer: $60–120/session | Training recommendations included |
| Nutrition apps: $10–30/month | Built for GLP-1 specifically, not generic |
For context: US coverage for GLP-1 weight-loss drugs is patchy. Most commercial plans require prior authorization or exclude weight-loss indications outright, and Medicare Part D is barred from covering them for weight loss alone. Manufacturer self-pay programs currently land around $350–500 a month; list prices run well above $1,000. LEAN is billed in euros (€49/month) — your card issuer converts at its own rate. Figures are indicative, as of 2026.
No. LEAN is not medical advice. LEAN handles what your prescriber doesn't: nutrition, muscle protection and day-to-day support while you're on a GLP-1. Always discuss dosing and medical questions with your doctor.
LEAN works with all GLP-1 receptor agonists: Ozempic, Wegovy, Mounjaro, Zepbound, Saxenda, Rybelsus and others. The AI coach knows what's specific to each one and adjusts its recommendations accordingly.
That is exactly what LEAN is built for. The micro-meal strategy is designed for days when your appetite is close to zero. Small, nutrient-dense meals and snacks you can get down even when you feel nauseous. LEAN doesn't tell you to "eat 2,000 calories" — it tells you: "This 10oz protein shake is enough right now. Sip it over 30 minutes."
Free gets you your LEAN Score, 3 messages a day to Dr. Sarah Chen (your AI nutrition physician), the side-effect radar and a weekly body check. For unlimited coach access and personalized nutrition tracking, there's LEAN Pro.
Yes — especially then. The period after stopping is the riskiest one; that's when the weight comes back for most people. LEAN helps you manage the transition and hold on to your result. Your metabolism needs the most attention right now.
No. Your health data belongs to you. LEAN does not sell data and does not share it with insurers, employers or third parties. Your entries are stored encrypted and used only to improve your own recommendations.
Then you get your money back. 30 days, no questions, no fine print. We want members who stay because LEAN works — not because they forgot to cancel.
MyFitnessPal counts calories. LEAN understands your GLP-1 treatment. It knows you have almost no appetite on day 3 after your injection. That cravings hit on day 6. That you need 0.7g of protein per pound of body weight to protect your muscle. Calorie counting was 2015. LEAN is 2026.
Every day without a plan is a day your body gives up muscle. A day your metabolism slows down. A day you move one step closer to “Ozempic face.”
You've already taken the hardest step: you decided to start a GLP-1. Now take the smartest one — give your body what it needs to lose the right thing.
No subscription needed. No credit card. Two minutes and you'll know where you stand.