semaglutide · Novo Nordisk
What should I know about Semaglutide?
Semaglutide by Novo Nordisk: The molecule behind Ozempic, Wegovy and Rybelsus. Cost, side effects, dosing as labeled, comparisons and the latest news, all sourced.
Alternatives
Berberine vs Ozempic: What the Evidence Actually SaysBerberine has been called "nature's Ozempic" since 2023. It is a real plant compound with real effects on blood sugar and cholesterol, but pooled trial data show it produces somewhere between zero and two pounds of weight loss, compared with roughly 33 pounds for semaglutide in its main trial. Here is the side-by-side.Contrave vs Wegovy: Which Weight Loss Drug Fits Which Person?Contrave is an oral pill aimed at cravings and food reward. Wegovy is a weekly injection that produces roughly three times more weight loss. Contrave can cost as little as $20 a month with a copay card. Here is the full comparison, including the boxed warning most people do not know about.Metformin for Weight Loss vs GLP-1s: How Big Is the Gap?Metformin costs a few dollars a month, has a 60-year safety record, and produced about 2 kg of weight loss in the Diabetes Prevention Program that held for a decade. Semaglutide produced 15 kg in 68 weeks. Here is what metformin is genuinely good at, and where the comparison stops making sense.Phentermine vs GLP-1s: Cost, Results and Who Each One SuitsPhentermine costs about $14 to $41 a month and has been on the market since 1959. Wegovy and Zepbound cost $299 to $449 and produce three to five times more weight loss. Here is the real comparison, including the label limits most articles skip.
Results & daily life
Best and Worst Foods on GLP-1s, According to Dietitian GuidanceWhat registered dietitians and clinical-nutrition reviews say about which foods work and which cause trouble on semaglutide and tirzepatide — plus what the research actually shows about food aversions and taste changes.Exercise on GLP-1s: What the Evidence Actually ShowsStrength training and cardio while taking semaglutide or tirzepatide: what randomized trials, meta-analyses and society guidance say about muscle, results, and what happens after the drug stops — plus an honest map of what has never been tested.GLP-1 Friendly Meal Plan: The Principles Behind ItWhat published clinical-nutrition guidance actually says about building meals on semaglutide or tirzepatide — the protein, fluid and fiber numbers, meal size and timing, what to do on bad days, and what the 'GLP-1 friendly' label on a package does and does not mean.GLP-1 Plateau: Why Weight Loss Stalls and What the Research SaysPlateaus on semaglutide and tirzepatide are expected, measurable and well described in the trial data. Here is how researchers define a plateau, when it typically arrives, why it happens, and what the studies say about what comes next.How Fast Does Semaglutide Work? A Week-by-Week Reality CheckWhat the FDA label and the STEP trials actually show about how quickly semaglutide works, month by month — including the five-month milestone, when the curve flattens, and why real-world results run lower.How Much Protein on a GLP-1? What Dietitians and the Research SayProtein targets on semaglutide and tirzepatide, where the numbers come from, why per-kilogram advice is confusing, what the body-composition data actually shows, and why protein alone will not do the job.
Side effects & safety
Can You Drink Alcohol on Semaglutide?There is no alcohol warning on the semaglutide label, but there are three real reasons drinking feels different on this drug, and two randomized trials now show it changes how much people drink.Does Semaglutide Cause Muscle Loss?Some of the weight lost on semaglutide is lean tissue, which is true of nearly all weight loss, but the size of that share and what changes it are the parts worth understanding.How to Manage Nausea on Semaglutide: What the Research and Labels SayNausea hits nearly half the people who start semaglutide at the weight-management dose, and the label itself explains why the dose schedule exists and what to do when a step up does not go well.Ozempic Face: What It Is and Why It Happens"Ozempic face" is a nickname, not a diagnosis, for the hollowed look that can follow fast weight loss, and the published research says the drug is not attacking your skin.Semaglutide and Surgery: The Anesthesia QuestionAnesthesiologists spent two years arguing about whether to stop GLP-1 drugs before surgery, and the guidance has now flipped once, so here is what the label, the societies and the trials actually say.Semaglutide Side Effects: The Complete List With How Common Each One IsA plain-English walkthrough of every semaglutide side effect that appears in the FDA labels for Ozempic, Wegovy and Rybelsus, with the actual trial percentages next to each one.Tirzepatide vs Semaglutide Side Effects: What the Head-to-Head Evidence ShowsA direct comparison of Zepbound and Mounjaro against Wegovy and Ozempic on side effects, using the one randomized head-to-head trial, the best observational study, and the differences written into the two labels.
Stopping & switching
Coming Off Compounded Semaglutide: How the Transition WorksCompounded semaglutide is winding down. Moving to an FDA-approved product means a new prescription, a dose your prescriber has to map by hand, and no overlap between products. Here is how the transition works and what to bring to the appointment.Do You Have to Take Wegovy Forever?The label sets no stop date and obesity societies now strongly recommend continuing during maintenance - but two 2026 trials changed the question from whether to stop to whether you can use less.GLP-1 Maintenance Dose: What the Research SaysTwo 2026 randomized trials finally tested whether you can hold weight loss on less drug. Here is what they found, what the labels allow, and why 'microdosing' is still a marketing term rather than a protocol.What Happens When You Stop Taking a GLP-1: The EvidenceRandomized trials, real-world databases and meta-analyses now give a fairly clear picture of what happens to weight, blood sugar, blood pressure and body composition after a GLP-1 stops - and where the numbers disagree.
Compounded & telehealth
Compounded Semaglutide: What It Is and Whether It's SafeCompounded semaglutide is a copy of the drug in Ozempic and Wegovy mixed by a pharmacy rather than made by Novo Nordisk, and it has never been reviewed by the FDA for safety, effectiveness, or quality.Compounded vs Brand-Name Semaglutide: Cost and DifferencesCompounded semaglutide once cost a fraction of Wegovy, but branded self-pay prices fell hard in late 2025 and 2026, and the gap is now small enough that the two are worth comparing on total cost, not sticker price.Hims & Hers Semaglutide: What HappenedHims & Hers built a weight loss business on compounded semaglutide, collided with Novo Nordisk and the FDA three separate times, ended up selling the branded drug it once undercut, and is now defending an FTC lawsuit over how it bills and how it handles health data.How Online GLP-1 Prescriptions WorkA plain-English walkthrough of what happens between filling out an online weight loss questionnaire and a box arriving at your door, and the questions that decide whether the process is legitimate.Is Compounded Semaglutide Legal in 2026?Compounded semaglutide was never banned outright, but the two legal pathways that made it a mass-market product both closed, leaving only a narrow patient-specific exception that FDA has defined very tightly.
Foundayo
Foundayo Results: How Much Weight People Actually Lost in the TrialsFoundayo's headline number is 27.3 pounds, or 12.4%, over 72 weeks at the top dose. But there are three different ways that trial has been reported, and the number changes each time. Here is every published Foundayo result with the numbers, the timeline, and what the studies do not show.Foundayo vs. the Wegovy Pill: How the Two GLP-1 Tablets CompareFoundayo (orforglipron) and the Wegovy pill (oral semaglutide 25 mg) are the only two GLP-1 tablets approved in the US for weight management. They differ on how you take them, how much weight they produced in trials, what else they are approved to do, and what they cost.
Specific groups
GLP-1 Drugs and Men's Health: Testosterone, Sex, Muscle and ResultsMen lose less percentage weight than women on the same dose, their testosterone tends to rise as they lose weight, the erectile function evidence points in two directions at once, and the muscle question is real. Here is what the 2025-2026 research actually found.GLP-1 Drugs for Teens: What Parents Should Know in 2026Two GLP-1 medicines are FDA-approved for adolescents with obesity, one is approved for children as young as 10 with type 2 diabetes, and none are approved under 12 for weight. Here is what the trials found, what the American Academy of Pediatrics guideline says, and what questions are still genuinely open.GLP-1s After Bariatric Surgery: What the Evidence Says in 2026Weight coming back after gastric sleeve or bypass is common, and adding semaglutide or tirzepatide is now one of the most-studied responses to it. A 2026 randomized trial and a 208,000-patient US cohort finally give real numbers - here is what they found, and what nobody has tested yet.GLP-1s and Menopause: What the Research Actually ShowsMenopause changes where your body stores fat and how much energy you burn, and GLP-1 drugs work in perimenopausal and postmenopausal women about as well as they work in younger women. The newer and more interesting question is whether menopause hormone therapy makes them work even better - here is what the evidence says, and what it does not say.GLP-1s for Type 1 Diabetes: What the Research Shows in 2026No GLP-1 or dual incretin drug is approved for type 1 diabetes anywhere, and the Wegovy label says use in type 1 diabetes has not been evaluated. But a randomized trial, a Danish national cohort and UK real-world data now exist - and they say something more specific than 'off-label.'GLP-1s Over 65: What the Data Actually ShowsNo GLP-1 label sets an age limit or an age-based dose, and trial analyses in adults 65 and older find efficacy close to younger adults. The real differences are tolerability, muscle and function, one specific fracture observation in the Wegovy label, and the fact that Medicare will not pay for weight loss.Who Should Not Take GLP-1 Drugs, According to the LabelsThe FDA labels for Wegovy, Ozempic, Zepbound and Mounjaro list exactly two absolute contraindications each. Everything else - pancreatitis, gallbladder disease, gastroparesis, pregnancy, surgery, eye disease - sits in warnings, 'not recommended' statements, and gaps where nobody has studied the question at all. Here is the actual list.
How they work
How Does Semaglutide Work? The Mechanism, Explained SimplySemaglutide is a lab-modified copy of a gut hormone that tells your pancreas to release insulin, tells your liver to hold back sugar, slows your stomach, and signals fullness to your brain - and the modifications let one dose last about a week.How Does Zepbound Work? GIP and GLP-1 ExplainedZepbound is tirzepatide, the same molecule as Mounjaro, approved for weight management and sleep apnea. It activates two gut hormone receptors - GIP and GLP-1 - and this guide explains what each one does to appetite, fat tissue and the brain.How Long Does Semaglutide Stay in Your System?The FDA label answers this directly: with a half-life of about one week, semaglutide stays in your circulation for roughly five weeks after your last dose - which shapes everything from side effects to surgery to pregnancy planning.Oral vs Injectable Semaglutide: What's the Difference in 2026?Same molecule, three US brand names across five presentations, two completely different journeys into the bloodstream - and a 2026 rebranding that means Ozempic now comes as both a pen and a pill that are not interchangeable.Semaglutide vs Tirzepatide: How the Two Drugs Actually DifferSemaglutide hits one receptor, tirzepatide hits two - and in the only head-to-head trial, tirzepatide produced more weight loss, though the two molecules differ in more ways than a single number captures.Who Discovered GLP-1 Drugs? The Real History Behind OzempicThe story runs from a 1902 dog experiment to a Gila monster in Arizona to five scientists sharing the 2025 Breakthrough Prize - and no, Ozempic is not made from lizard venom.
Cost & insurance
How Much Does Semaglutide Cost Without Insurance in 2026?Without insurance, brand-name semaglutide now runs about $149 to $499 a month depending on which product and dose you take, far below the $1,027 to $1,349 list prices.The Cheapest Way to Get Semaglutide Legally: Every Option ComparedEight legal routes to semaglutide in 2026, ranked by what you actually pay, from a $25 copay with good insurance down to the $149 pill and up to the $1,349 list price.When Will Generic Semaglutide Be Available?Generic semaglutide reached Canada, India and Brazil in 2026, but Novo Nordisk's US compound patent runs to about 2032, so Americans are unlikely to see an FDA-approved generic before the early 2030s.
Clinical trials
How Much Weight Do People Lose on Semaglutide? The Numbers From Every Major TrialTrial-by-trial weight-loss figures for every semaglutide dose and formulation, plus why real-world results usually land lower.SELECT Trial Explained: Semaglutide and Heart HealthThe SELECT trial followed 17,604 people with heart disease and excess weight for about four years and found semaglutide cut major cardiac events by 20% — here is what that number means and what it does not.Semaglutide Results Timeline: What Trial Data Shows Week by WeekA week-by-week map of what happened in the semaglutide trials — when appetite changes, when the scale moves, when side effects peak, and when weight loss levels off.Semaglutide vs Tirzepatide Head to Head: What SURMOUNT-5 FoundSURMOUNT-5 is the only large randomized trial that pitted tirzepatide directly against semaglutide at obesity doses — here are the numbers, the caveats, and what the trial could not measure.What Happens When You Stop Taking SemaglutideTrial data shows most people regain about two-thirds of lost weight within a year of stopping semaglutide, and blood pressure, cholesterol and blood sugar drift back toward baseline.What the Clinical Trials Actually Show About SemaglutideA plain-English tour of the roughly 40 major semaglutide trials — what each one measured, what the numbers were, and where the evidence runs out.
Medications
How to Store and Use a Semaglutide Pen (From the Label)What the FDA-approved labels actually say about refrigerating, warming, injecting, disposing of and spotting counterfeit Ozempic and Wegovy pens.Ozempic vs Wegovy vs Rybelsus: What's the Difference?Ozempic, Wegovy and Rybelsus all contain semaglutide, but they carry different FDA-approved uses, different doses and very different prices - and in 2026 Rybelsus was rebranded as the Ozempic pill.Switching GLP-1 Medications: What the Guidelines and Labels Actually SayThere is no FDA-approved conversion chart between different GLP-1 drugs. Here is what the labels do say about switching, what the published guidance recommends, and what happens when a discontinuation or a formulary change forces the decision for you.Trulicity vs Ozempic: What the Head-to-Head Trial Actually ShowedTrulicity and Ozempic are both once-weekly GLP-1 injections for type 2 diabetes, and they were compared directly in a 1,201-person trial. Here is what that trial found, how the two drugs differ on dosing, devices, price and heart benefits, and what is changing in 2026.
How-to guides
How to Take a GLP-1 Pill: Rybelsus, the Wegovy Pill and Foundayo ComparedOral semaglutide has a strict morning ritual: empty stomach, four ounces of water, thirty minutes of nothing. Foundayo has none of it. Here is exactly what each label requires and why the difference exists.Missed a Dose of Ozempic, Wegovy, Mounjaro or Zepbound? What the Labels SayEvery GLP-1 has a different missed-dose rule, and two of them are written backward from each other. Here is what each FDA-approved label actually says, for nine drugs, in one table.Semaglutide Units: How the mg-to-Units Math Actually WorksYour prescription is in milligrams. Your syringe is marked in units. The number that connects them is the concentration on your vial, and getting it wrong is the single most documented dosing error in compounded GLP-1 therapy. Here is the arithmetic, worked out.
FDA & regulation
Is Compounded Semaglutide FDA Approved? The 2026 Rules ExplainedCompounded semaglutide is not FDA approved and never has been, and since the 2025 shortage delisting most routine compounding of Ozempic and Wegovy copies is no longer lawful.Is Semaglutide Still in Shortage? What the FDA List Says in 2026The FDA declared the semaglutide injection shortage resolved on February 21, 2025, and it has not returned since, which is why compounded copies of Ozempic and Wegovy are no longer generally legal.Semaglutide Approvals by Country: Where Ozempic and Wegovy Are ApprovedA country-by-country guide to semaglutide approvals, from the US and EU to Canada's first-in-the-G7 generics, plus where the Wegovy pill is available and where the labels disagree.The Complete FDA Approval History of Semaglutide (2017-2026)Every FDA approval, new indication and major label change for semaglutide from the first Ozempic approval in December 2017 through the Wegovy pill, Wegovy HD 7.2 mg and the Ozempic tablets rebrand in 2026.
Liraglutide
Liraglutide FAQ: Victoza, Saxenda and the Generics, AnsweredPlain answers about liraglutide: what it is, how Victoza and Saxenda differ, which generics exist and what they cost, how it is dosed and stored, what the warnings say, and why some people still choose a daily GLP-1 over a weekly one.Saxenda vs Wegovy: How the Daily and Weekly Shots Really CompareSaxenda is daily liraglutide; Wegovy is weekly semaglutide. A head-to-head trial put average weight loss at 6.4% versus 15.8%. Here is what that means in practice, plus cost, side effects, and why Saxenda is being discontinued in 2027.Switching From Liraglutide to a Weekly GLP-1: What the Labels Actually SayThere is no official conversion chart from Saxenda or Victoza to Wegovy, Ozempic or Zepbound. Here is what the FDA labels do say about starting doses, overlapping GLP-1 drugs and shortages, plus the one study that tested a direct switch.Victoza vs Ozempic: The Daily and Weekly Diabetes Shots ComparedVictoza is daily liraglutide; Ozempic is weekly semaglutide. Both lower A1C and both cut cardiovascular risk in large outcome trials. The head-to-head data, the heart evidence, the price gap now that Victoza has generics, and what the labels actually say.
Pipeline
Mazdutide: What to Know About the GLP-1 Drug Approved in China but Not the USMazdutide is a real, approved, prescribed weight-loss drug, just not in the United States. Here is what it is, what the GLORY trials showed, why Eli Lilly holds the US rights but has not filed, and why anything sold to Americans as mazdutide is not the approved Chinese medicine.When Will Generic Ozempic Be Available in the US?Generic semaglutide is already on sale in India and Canada, but the US patent situation pushes an American generic to the end of 2031 at the earliest. Here is the timeline and what is available in the meantime.
Beyond weight loss
Microdosing Semaglutide: What's Actually KnownAbout one in seven GLP-1 users says they microdose, telehealth companies sell programs built around it, and there is not a single randomized trial showing it works.Ozempic Babies: Semaglutide, Fertility and PregnancyUnplanned pregnancies on GLP-1 drugs are real, the likely mechanism is restored ovulation from weight loss, and the pregnancy safety data as of 2026 are cautiously reassuring but still limited.Semaglutide and Alcohol Cravings: What the Research ShowsThree randomized trials have now tested semaglutide for drinking, and the results are more encouraging than most people expect, though no GLP-1 drug is approved for alcohol use disorder.Semaglutide and Alzheimer's: What the EVOKE Trials FoundTwo of the largest Alzheimer's trials ever run tested oral semaglutide in 3,808 people and found no slowing of the disease, closing a hypothesis that observational studies had made look promising.Semaglutide for PCOS: What the Evidence Actually ShowsSemaglutide is not approved for polycystic ovary syndrome anywhere, but a growing set of small trials suggests it helps with weight, insulin resistance and menstrual cycles in women who also carry excess weight.What Else Can Semaglutide Treat? Uses Beyond Weight LossA plain-English guide to everything semaglutide is FDA-approved to treat in 2026, what it is still being studied for, and which headline findings have not held up.What Else Can Tirzepatide Treat? Beyond Weight Loss and DiabetesTirzepatide has exactly four FDA-approved uses in the United States, split across two brand names. Everything else you have read about it — heart failure, fatty liver, PCOS, addiction, dementia — sits somewhere on a long ladder between a strong trial and a hopeful database study.
FAQ
News
Semaglutide: A Year-by-Year HistoryA plain-English timeline of semaglutide from its 2017 approval as Ozempic through the Wegovy pill, the price collapse and the 2026 patent cliff.The Biggest GLP-1 Stories of 2025The ten developments that reshaped semaglutide and the wider GLP-1 market in 2025, from the end of the shortage to the first GLP-1 pill for weight loss.
Market & policy
Recent Semaglutide news
Full timeline- Prices
Status check: the two Medicare prices for semaglutide in 2027 still have not been reconciled
- Safety
Australian regulator finds eight times the approved semaglutide dose in a product sold as retatrutide
- Prices
Semaglutide cash prices settle into a $149 to $499 band while list prices stay above $1,000
- Prices
Status check: Novo Nordisk's $675 list price still lands well above every negotiated and cash price
- Business
Where semaglutide stands in September 2026
- Search trends
Baseline keyword and SERP landscape captured for semaglutides.org
- Compounding
Branded tirzepatide self-pay prices sit far below the shortage-era gap
- FDA & regulation
China's semaglutide generics remain stuck behind data exclusivity