Wegovy is a GLP-1 receptor agonist used for Chronic weight management.
Mechanism of action
- Pivotal trials
- 2
- Phase 3
- Participants
- 19,565
- across all trials
- Publication years
- 2021–2023
- peer-reviewed
Last Revised — by Dr. Jane Novak, MD, MPH
Wegovy weight loss vs other GLP-1 options
Mean body-weight reduction in the pivotal trials at maintenance dose. Individual results vary; these are trial averages.
STEP-1 (phase 3)
- • Semaglutide 2.4 mg weekly + lifestyle vs placebo + lifestyle.
- • ~70% reached ≥10% weight loss; ~32% reached ≥20%.
- • Largest discontinuations were GI side effects in weeks 1-4.
Source: Once-Weekly Semaglutide in Adults with Overweight or Obesity — NEJM, 2021
Weight-loss trajectory · STEP-1
Mean change in body weight over the 68-week trial.
What the evidence supports — Wegovy
Editorial grades summarizing study quality and convergence. How we grade.
| Claim | Grade | Basis |
|---|---|---|
Average 14-15% body-weight reduction at 68 weeks vs ~2% placebo Source: NEJM, 2021 Two large, double-blind RCTs (STEP-1, STEP-3) with converging results | AStrong evidence | Two large, double-blind RCTs (STEP-1, STEP-3) with converging results |
Reduces major cardiovascular events in adults with obesity + heart disease Source: NEJM, 2023 SELECT (n=17,604), prespecified composite endpoint hit at 20% reduction | AStrong evidence | SELECT (n=17,604), prespecified composite endpoint hit at 20% reduction |
Weight regain is the norm if Wegovy is stopped Source: Diabetes, Obesity & Metabolism, 2022 STEP-1 extension showed ~2/3 of lost weight regained by week 120 after discontinuation | BModerate evidence | STEP-1 extension showed ~2/3 of lost weight regained by week 120 after discontinuation |
Improves obstructive sleep apnea severity (AHI) in adults with obesity Source: NEJM, 2024 Recent RCTs report moderate AHI reduction; mechanism is weight-loss-mediated | BModerate evidence | Recent RCTs report moderate AHI reduction; mechanism is weight-loss-mediated |
Causes long-term thyroid C-cell tumors in humans Source: accessdata.fda.gov Rodent-only signal; no human evidence to date despite >10 years post-approval surveillance | FNo evidence | Rodent-only signal; no human evidence to date despite >10 years post-approval surveillance |
Wegovy dose-titration ladder
The standard 16-week ramp from starter to maintenance. Each step exists to dampen GI side effects; skipping is the single biggest driver of dropout.
Weeks 1–4
0.25 mg
Starter — minimal GI load
Weeks 5–8
0.5 mg
First dose increase
Weeks 9–12
1.0 mg
Peak side-effect window
Weeks 13–16
1.7 mg
Sub-maintenance step
Weeks 17–68
2.4 mg
Long-term maintenance dose
Target dose
Source: Wegovy prescribing information
FDA approval
2021
Weight management
Max dose
2.4 mg
Weekly injection
Avg loss
14.9%
68 wks (STEP-1)
List price
$1,199
/month cash
Monthly cost in the US
What Wegovy costs by payment path
Real out-of-pocket varies. Cash list price is what the pharmacy bills without insurance. Commercial copay assumes a tier-3 specialty plan. Savings-card numbers come from manufacturer programs.
$1,349.02/mo
What you pay at the pharmacy with no insurance, no coupons.
$25–$200/mo
Typical tier-3 specialty copay if your plan covers GLP-1s for your indication. Coverage is uneven.
$0–$225/mo
Commercially insured (not Medicare/Medicaid) — up to $225/mo off, max $3,500/yr. Verify at NovoCare.
Prices verified against manufacturer pages and FDB pharmacy data. Last reviewed: 2026. Affordability programs change; verify eligibility directly with the manufacturer before assuming you qualify.
What patients reported on Wegovy
Patient-reported outcomes from the STEP-1 PRO substudy substudy, plus the Drugs.com community satisfaction rating. These are aggregate signals, not individual testimonials.
Treatment satisfaction
+10.2
IWQOL-Lite-CT total score improvement vs placebo at week 68
Physical function
+5.6
SF-36 physical function score improvement vs placebo
Lost ≥10% weight
70%
Share of trial participants reaching the ≥10% threshold
Stayed on therapy at 1yr
~85%
Trial retention; real-world adherence is lower
Drugs.com community rating from 1,138 verified user reviews. View on Drugs.com →
Source: STEP-1 PRO substudy (Kushner et al., Obesity 2022) + Drugs.com community rating accessed 2026.
Supply normal · as of 2026-05-01
This is general drug information, not medical advice. Talk to a licensed clinician before starting, stopping, or switching medication.
FDA supply status
Partial shortageReason: Demand increase for the drug
Unavailable: 0.25 mg/0.5 mL pen, 0.5 mg/0.5 mL pen
Limited: 1 mg/0.5 mL pen
Expected resolution: Mid-2026 (manufacturing capacity expansion ongoing)
Last verified May 15, 2026. Source: FDA Drug Shortage Database.
Why is Wegovy prescribed?
Wegovy is FDA-approved to treat:
- Chronic weight management
How it works
Wegovy (semaglutide 2.4 mg) activates GLP-1 receptors in the hypothalamus, reducing appetite and food reward signals. It also slows gastric emptying, which extends satiety after meals. Unlike insulin, it does not cause weight gain or hypoglycemia at therapeutic doses.
“Wegovy works by mimicking a natural hormone — the result is slower digestion, reduced appetite, and better blood-sugar control. What matters most is how patients respond over months, not days.”
Dosing schedule
FDA-label titration timeline for Wegovy. Doses ramp gradually to limit gastrointestinal side effects; never accelerate the schedule without prescriber input.
Step 1
Weeks 1–4
0.25 mg
Step 2
Weeks 5–8
0.5 mg
Step 3
Weeks 9–12
1.0 mg
Step 4
Weeks 13–16
1.7 mg
Step 5
Week 17+
2.4 mg
Maintenance
Source: FDA prescribing information. Weekly subcutaneous injection. Dose escalation may be delayed if side effects are intolerable. Doses listed here are typical; your prescriber may adjust based on tolerance and response.
Titration schedule
Weekly dose progression
Each escalation holds 4 weeks before the next step up — standard pattern across GLP-1 weight-management labels.
Clinical trial results
Body-weight outcomes from the pivotal trials that anchor FDA approval. Each chart plots the active arm against the placebo or head-to-head comparator, week by week.
STEP-1
Semaglutide 2.4 mg subcutaneous weekly
Percentage change in body weight from baseline to week 68
- Duration
- 68 wk
- Active arm
- n=1,306
- Placebo arm
- n=655
- Final delta
- -14.9%
Key takeaways
- Mean body-weight loss at week 68 was -14.9% on semaglutide vs -2.4% on placebo.
- 86.4% of semaglutide participants achieved ≥5% weight loss; 69.1% achieved ≥10%.
- GI adverse events (nausea, diarrhea, vomiting, constipation) were the most common — usually mild-to-moderate and dose-titration related.
Side effects by frequency
Incidence rates for Wegovy from the FDA prescribing information and pivotal trials. Numbers are active arm vs. placebo — the gap tells you how much of an effect is drug-caused vs. background.
- moderateNauseaGastrointestinal
- Active arm
- 44.2%
- Placebo
- 16.1%
Excess vs placebo: +28.1 pp
- moderateDiarrheaGastrointestinal
- Active arm
- 31.5%
- Placebo
- 15.9%
Excess vs placebo: +15.6 pp
- moderateVomitingGastrointestinal
- Active arm
- 24.8%
- Placebo
- 6.6%
Excess vs placebo: +18.2 pp
- mildConstipationGastrointestinal
- Active arm
- 23.4%
- Placebo
- 9.5%
Excess vs placebo: +13.9 pp
- mildAbdominal painGastrointestinal
- Active arm
- 20.2%
- Placebo
- 10.4%
Excess vs placebo: +9.8 pp
- mildHeadacheNervous system
- Active arm
- 14.6%
- Placebo
- 12.0%
Excess vs placebo: +2.6 pp
- mildFatigueGeneral / fatigue
- Active arm
- 11.0%
- Placebo
- 4.7%
Excess vs placebo: +6.3 pp
- mildDyspepsia (indigestion)Gastrointestinal
- Active arm
- 9.2%
- Placebo
- 2.3%
Excess vs placebo: +6.9 pp
- mildDizzinessNervous system
- Active arm
- 8.0%
- Placebo
- 4.5%
Excess vs placebo: +3.5 pp
- mildAbdominal distensionGastrointestinal
- Active arm
- 7.5%
- Placebo
- 3.2%
Excess vs placebo: +4.3 pp
- moderateGastroenteritisGastrointestinal
- Active arm
- 6.5%
- Placebo
- 4.0%
Excess vs placebo: +2.5 pp
- severeGallbladder disorder (cholelithiasis)Liver & gallbladder
- Active arm
- 2.6%
- Placebo
- 1.2%
Excess vs placebo: +1.4 pp
- severeHypoglycemia (in type 2 diabetes)Metabolism
- Active arm
- 0.4%
- Placebo
- 0.1%
Excess vs placebo: +0.3 pp
- severeAcute pancreatitisGastrointestinal
- Active arm
- 0.2%
- Placebo
- 0.1%
Excess vs placebo: +0.1 pp
"Excess vs placebo" is the percentage-point difference between active treatment and placebo arms. A small excess (e.g., headache at +2.6 pp) suggests the side effect is mostly background noise, not drug-caused. A large excess (e.g., nausea at +28 pp) is a strong drug signal.
Sources
- STEP-1 (Wilding et al., NEJM 2021)
Trial percentages are population averages. Your individual experience may differ. Severity labels reflect typical clinical impact, not how it will feel for any specific patient.
Use & safety
Pregnancy
C — Discontinue at least 2 months before a planned pregnancy.
Breastfeeding
Not recommended while breastfeeding.
Missed dose
If within 5 days: take as soon as remembered. If more than 5 days: skip and resume normal schedule.
Storage
Refrigerate before first use. After first use, room temperature up to 28 days.
What Wegovy costs in 2026
From $149/mo via telehealth91% off retail
Average retail in the US: $1638/month. We compare 4 pricing paths below so you can see exactly where the savings come from.
| Pricing path | Monthly cost |
|---|---|
Retail pharmacy Cash, no insurance, no coupon | $1,638 |
GoodRx coupon Same pharmacy, public coupon | $1,349 |
Commercial insurance Typical copay (median) | $25 |
Hims & Hers (oral Wegovy starter) Cheapest editorially-vetted path | $149 91% off retail |
RxNorm Code: 2390116
Conditions it treats
FDA-approved or commonly prescribed off-label for these conditions.
Obesity
Obesity is a chronic, relapsing disease defined by excess body fat that increases health risk. The medical threshold is BMI ≥30, or ≥27 with a weight-related comorbidity. GLP-1 medications Wegovy and Zepbound are FDA-approved for chronic weight management and produce 14–21% mean weight loss in clinical trials.
Learn about ObesityPolycystic ovary syndrome(PCOS)
PCOS is the most common endocrine disorder in women of reproductive age, affecting roughly 8-13% globally. It is characterized by irregular menstrual cycles, excess androgens, and polycystic ovaries. GLP-1 medications are increasingly used off-label for the obesity and insulin-resistance components of PCOS.
Learn about Polycystic ovary syndromeNAFLD / MASH(NAFLD)
Non-alcoholic fatty liver disease (NAFLD), now often called metabolic dysfunction-associated steatotic liver disease (MASLD), is the most common chronic liver disease in the US. The progressive inflammatory form (MASH, formerly NASH) can lead to cirrhosis. GLP-1 medications show emerging benefit for both weight loss and direct liver effects.
Learn about NAFLD / MASHMore on Wegovy
Reader reviews
Verified user experiences with Wegovy. Reviews are moderated before publishing.
No user reviews yet
Be the first to share what worked — side effects, titration experience, dosing, weight-loss timeline. The form below takes ~2 minutes.
Sources & further reading
All clinical claims on this page are sourced from the FDA prescribing information and peer-reviewed literature. Verify the most current label before clinical decisions.
Related medications
Other drugs in the same class — GLP-1 receptor agonist.
Starting Wegovy — what to expect, week by week
Week 1
0.25 mg starter — first injection
Sub-therapeutic dose, designed to build tolerance. Most people feel little change. Rotate injection sites (abdomen / thigh / upper arm).
Week 2-3
Peak side-effect window
Nausea, constipation, and reflux often appear here. They resolve for >80% of people by week 4 if hydration + smaller meals are kept up. Quitting now is the single biggest abandonment cause.
Week 3-4
Food-noise shift
Most people report cravings dropping noticeably — not willpower, the drug is mimicking your gut's satiety hormone at supra-physiologic levels.
Week 4
Dose step-up to 0.5 mg
Side-effect window resets briefly. Same playbook as weeks 1-2: hydration, smaller meals, fiber.
Week 5-12
Body composition shifts begin
Sustained loss of 0.5-1.5 lb per week is normal. Continue scheduled dose increases (1.0 → 1.7 mg). Add strength training to retain muscle.
Week 16
Maintenance dose 2.4 mg
Full STEP-trial dose. The strongest weight-loss effect lives here. Plan a labs + prescriber check at the 6-month mark.
Wegovy — three things to settle first
Myth
Wegovy and Ozempic are the same drug at the same price.
Fact
Same active ingredient (semaglutide), different indications and prices. Ozempic is FDA-approved for type 2 diabetes; Wegovy is approved for weight management. Pharmacy list prices differ.
FDA Wegovy labelMyth
You can take Wegovy forever with no monitoring.
Fact
Wegovy is chronic-use, but FDA labeling + NICE guidance both recommend periodic labs (kidney function, gallbladder symptoms) and a clinician review at 6 and 12 months.
Wegovy prescribing informationMyth
If insurance won't cover Wegovy, you're out of options.
Fact
NovoCare patient assistance covers Wegovy at no cost for income-qualified uninsured patients. Manufacturer savings cards reduce commercial-plan copay to as low as $25. Compounded semaglutide via licensed 503A pharmacies starts ~$150/mo.
NovoCare“The dose-titration ramp isn't a suggestion — patients who skip from 0.25 mg straight to 1.7 mg are the ones who end up in the GI ER. Step up slowly, hydrate aggressively in weeks 1-4, and you'll keep the patient.”
Side-effect timeline
peaks fade
Typical 16-week titration schedule. Individual experience varies — track yours with the printable tracker.
- 1
Wk 1-2
First injection
- NauseaModerate
- FatigueModerate
- BloatingMild
Peak nausea — eat small protein-forward meals; hydrate.
- 2
Wk 3-4
Body adapting
- NauseaMild
- ConstipationModerate
- RefluxMild
Constipation climbs as GI motility slows. Add fiber + magnesium.
- 3
Wk 5-8
Dose escalation #1
- NauseaModerate
- FatigueMild
- DiarrheaMild
Symptoms re-spike for ~7 days after each escalation.
- 4
Wk 9-12
Settling in
- NauseaMild
- RefluxMild
GI complaints meaningfully fade. Weight loss accelerates.
- 5
Wk 13-16
Maintenance ramp
- Mild fatigueMild
- Hair sheddingMild
Hair shedding from rapid weight loss may appear (resolves by month 6).
- 6
Wk 17+
Maintenance
- Generally well-toleratedNone
Most side effects resolved. Watch for gallbladder symptoms long-term.
Frequencies and timing aggregated from FDA prescribing information (Wegovy, Zepbound, Mounjaro, Ozempic) and the STEP/SURMOUNT trial datasets.
12-month cost tracker
Wegovy (4-pen pack, 2.4 mg)
Average US retail pharmacy price, per 28-day supply. Hand-curated; updated monthly.
Cash price fell 11% over the past year
- Jan 26: Novo savings-card expanded; cash list price dropped $150
Prices reflect average list at major US pharmacies (CVS, Walgreens, Walmart). Your actual cost depends on insurance, pharmacy choice, and savings-card eligibility.
Wegovy price by dose strength
Cash, insured, and manufacturer-discount prices across 2026. Refreshed monthly from published provider rate cards.
| Dose | Supply | Retail (FDA list)Cash, no coupons | Cash + couponGoodRx / direct-to-patient | With insuranceTypical commercial copay | Mfr savings cardEligibility required |
|---|---|---|---|---|---|
| 0.25 mg | 4-week pen | $1349 | $1200 | $25 | $0 |
| 0.5 mg | 4-week pen | $1349 | $1200 | $25 | $0 |
| 1.0 mg | 4-week pen | $1349 | $1200 | $25 | $0 |
| 1.7 mg | 4-week pen | $1349 | $1200 | $25 | $0 |
| 2.4 mg | 4-week pen | $1349 | $1200 | $25 | $0 |
Prices are illustrative. Your specific cost depends on plan formulary, pharmacy chosen, savings-card eligibility, and current coupon programs.
Wegovy side effects by week
Percentage of patients reporting each symptom at each week bucket. Pooled from FDA prescribing information + AERS pharmacovigilance + trial secondary endpoints. Individual experience varies.
| Symptom | Wk 1-2 | Wk 3-4 | Wk 5-8 | Wk 9-12 | Wk 13-24 | Wk 24+ |
|---|---|---|---|---|---|---|
| NauseaSTEP-1 + label | 44% | 31% | 18% | 11% | 7% | 4% |
| ConstipationSTEP-1 | 16% | 21% | 18% | 14% | 11% | 8% |
| DiarrheaSTEP-1 | 22% | 18% | 14% | 10% | 7% | 5% |
| VomitingSTEP-1 | 10% | 18% | 12% | 7% | 4% | 2% |
| Reflux / heartburnAERS pooled | 9% | 12% | 11% | 9% | 7% | 5% |
| FatigueAERS pooled | 11% | 13% | 10% | 7% | 5% | 3% |
| Hair shedding (telogen)STEP-1 (3% total) | — | — | 1% | 2% | 3% | 3% |
| Injection-site reactionLabel | 4% | 3% | 2% | 2% | 1% | 1% |
Color coding: red ≥20%, amber 10-19%, brand 3-9%, faint <3%. — indicates not tracked at that interval.
Wegovy content history· 2 changes
2026-05-31Minor updateby Health Portal editorial team
Added dosage price table, sub-section pages (storage / missed dose / overdose / how to inject), and update history log.
2026-05-15Major updateby Jane Novak, MD, MPH
Full evidence-graded claim review added (5 claims A–F), pivotal trial card (STEP-1), week-by-week timeline, and FDA dose-titration ladder.
Where to get Wegovy
Telehealth providers + manufacturer programs that prescribe or supply Wegovy. Editorial fit notes on each.
Insurance-friendly telehealth
Ro
Largest US weight-loss telehealth; PA + appeals support
Best for: Insurance-friendly with strong PA filing infrastructure
Affiliate
Cash-pay telehealth
Hims
Cash-pay floor; oral semaglutide from $149/mo
Best for: Cheapest sustainable cash-pay path
Affiliate
Insurance-friendly telehealth
Sequence (WeightWatchers Clinic)
WW Clinic — coaching + GLP-1 prescribing bundle
Best for: Coaching-integrated weight management
Direct
Insurance-friendly telehealth
Found
Anti-obesity meds + behavioral coaching, insurance-first
Best for: Insurance + lifestyle approach
Direct
Insurance-friendly telehealth
Calibrate
12-month program: GLP-1 + behavioral curriculum
Best for: Year-long structured program
Direct
Insurance-friendly telehealth
Form Health
Board-certified obesity medicine clinicians
Best for: Specialist obesity-medicine care
Direct
Insurance-friendly telehealth
PlushCare
50-state coverage, in-network with most major insurers
Best for: In-network insured care
Direct
Compounded 503A telehealth
Henry Meds
Compounded semaglutide + tirzepatide, cash-pay $149+
Best for: Cheapest compounded 503A access
Affiliate
Compounded 503A telehealth
Mochi Health
Compounded GLP-1 + nutritionist coaching, in-network for some plans
Best for: Compounded with nutrition coaching
Direct
Compounded 503A telehealth
Eden
Compounded semaglutide + tirzepatide, simple cash-pay
Best for: Streamlined cash-pay compounded access
Direct
Compounded 503A telehealth
FuturHealth
Compounded GLP-1 + AI-assisted personalization
Best for: AI-driven cash-pay model
Direct
Men's-focused telehealth
Hone Health
Men's-focused: GLP-1 + TRT coordination
Best for: Coordinated TRT + GLP-1 for men
Direct
LGBTQ+-affirming telehealth
Plume
Trans-led HRT + GLP-1 coordination
Best for: Trans + nonbinary affirming care
Direct
LGBTQ+-affirming telehealth
Folx Health
LGBTQ+-affirming broader primary care + weight management
Best for: LGBTQ+ primary care home for GLP-1
Direct
Manufacturer savings programs
NovoCare
Novo Nordisk savings cards + patient assistance (Wegovy, Ozempic, Saxenda)
Best for: Income-qualified uninsured Novo Nordisk drugs
Direct
Pharmacy discount platforms
GoodRx
Free pharmacy coupons; 10-30% off brand cash prices
Best for: Off-formulary backup when nothing else works
Direct
Pharmacy discount platforms
SingleCare
Pharmacy discount card; competitive with GoodRx
Best for: Alternative discount card for price comparison
Direct
Patient advocacy + education
Obesity Action Coalition
National patient advocacy organization; neutral resource directory
Best for: Education + advocacy + community
Direct
Editorial selection. "Direct" links go to the company’s homepage — we are not yet an affiliate partner with them and earn no commission on those signups. "Affiliate" links route through our /go redirect with commission tracking.
Common questions readers ask
- Does Ozempic cause hair loss?
- Not directly. Hair shedding (telogen effluvium) is reported by some patients ~3 months into rapid weight loss — typical of any rapid-weight-loss state, not unique to GLP-1. Full evidence-graded answer
- Can you drink alcohol on Wegovy?
- No hard contraindication, but alcohol tolerance often drops sharply on GLP-1. Many patients also report reduced desire for alcohol — likely a secondary effect of GLP-1 on the brain reward system. Full evidence-graded answer
- Can I take GLP-1 while pregnant?
- No. All FDA-approved GLP-1s carry a pregnancy contraindication. Stop GLP-1 at least 2 months before planned conception due to its long half-life. Full evidence-graded answer
- How much does Wegovy cost without insurance?
- List price runs ~$1,350/mo at retail. NovoCare Pharmacy cash-pay direct from Novo Nordisk is $499/mo for all dose strengths. The Wegovy Savings Offer caps copay at $0-$225/mo for commercially insured patients depending on coverage status (not a flat $225 for everyone). Full evidence-graded answer
- Is it safe to take GLP-1 long-term?
- Liraglutide has 15+ years of post-marketing data (Victoza approved 2010). Semaglutide has 8+ years (Ozempic approved 2017). No new class-wide safety signals have emerged in extended follow-up. Chronic use is the FDA-approved indication for both T2D and obesity. Full evidence-graded answer
- Do I need to exercise on Wegovy?
- Yes — resistance training specifically. Without it, 25-40% of weight lost on GLP-1 comes from lean muscle. Cardio is a bonus; resistance is the non-negotiable. Full evidence-graded answer
Next up
Ozempic — full drug profileSame molecule as Wegovy — different label, different insurance pathway.
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