Wegovy Pill Offers Cheaper Alternative To Expensive Weight Loss Injections

Sophie Ashton stood at a crossroads when a cardboard box arrived on her doorstep containing her first supply of Wegovy pills. At thirty-nine years old, she felt a sudden spark of hope. She believed this new option offered a way to manage her weight without the crushing cost of the injections she could no longer afford. Like many others before her, Sophie was forced to stop taking Mounjaro last year after its manufacturer hiked the price from roughly £100 per month to over £200.

For nine months on that drug, this mother of one shed one-and-a-half stone. But once she halted treatment, her weight inevitably began to creep back up. When a pill version of Wegovy became available for just £60 a month supply, Sophie seized the opportunity. The tablet contained semaglutide, the same active ingredient found in the shot.

I just wanted to feel better in my body says the content creator from Greater Manchester. She was in quite a bad place after enduring a painful breakup. Losing weight felt like the final piece of the puzzle or so she thought. On Mounjaro, Sophie had barely suffered from common side effects such as nausea, constipation and bloating. She assumed switching to a daily pill would be similarly straightforward.

But just ten days into treatment, her mental health began to spiral. My mind was racing constantly she says. I was waking up in the middle of the night. I could not focus. There was just this overwhelming feeling of anxiety. The worst part was that even my three-year-old daughter could tell something was wrong. I became irritable and short with her. I just felt out of control.

I hate to think what could have happened if I stayed on the pill she admits. When she reported these symptoms to the online firm that prescribed the drug, Sophie alleges she was told to switch back to injections after being warned some patients may experience mood disturbances. In my mind it wasn't that simple – I don't want to take another weight-loss drug. I know it means I'm likely to carry on gaining weight but I just don't want to take that risk again.

Her story is concerning yet she is far from the only patient to report troubling symptoms after taking the new pill. The daily Wegovy tablet was billed as a cheaper, easier alternative to jabs. But experts speaking to The Mail on Sunday have warned there may be a significant downside. To get enough semaglutide into the bloodstream when swallowed rather injected the pills contain a far higher dose. Experts say this could help explain a growing catalogue of reported side effects including gastrointestinal problems, mood disturbances and in some cases potentially serious complications affecting the kidneys and pancreas.

It comes as UK health officials have linked 216 deaths to weight-loss drugs although there is no way of knowing whether the medications caused the deaths only that it was suspected. The pill may be easier to take than jabs but it does come with its own set of issues says Dr Madusha Peiris a neurogastroenterologist at Queen Mary University of London. For a start taking it is more complicated than simply swallowing a tablet with breakfast. The pill must be taken on a completely empty stomach meaning first thing in the morning before breakfast with only a small amount of water.

There is a strict rule users must follow before taking the oral medication or eating anything else; they need to wait at least 30 minutes after swallowing the pill. This waiting period stands alongside another major gap between the shot and the tablet: the actual amount of drug used. The standard weekly injection delivers just 2.4mg of semaglutide, while the daily pill contains a massive 25mg dose. Experts explain that much of this swallowed medicine gets lost in the digestive tract rather than entering the bloodstream, so higher quantities are required to work. Yet this very large volume passing through the gut every single day might be why some patients suffer from especially severe stomach troubles.

Official trial data suggests the side effect profiles look nearly identical on paper. Common complaints include nausea, vomiting, diarrhea, constipation, bloating, heartburn, fatigue, and dizziness, issues familiar to anyone who has taken injectable weight-loss drugs. In clinical studies, roughly 70 percent of people using the injections reported these gastrointestinal problems. The numbers for the pill were almost exactly the same; late-stage trials showed that 74 percent of those taking oral semaglutide faced at least one stomach issue, with nausea being the most frequent.

However, stories from actual patients tell a very different story. Online forums and TikTok pages are flooded with accounts describing relentless sickness after starting the drug. One Reddit user who switched from injections to pills claimed that their nausea had become completely unmanageable. They explained that while the first month on the low dose was fine, increasing the amount in the second month caused two episodes of debilitating nausea, one so bad they ended up in the emergency room thinking they were dying. That person never saw these issues with the shot and decided to go back to it.

Another user described the feeling as unbearable. They took the lowest-dose pill for a week before the nausea became so severe they could barely breathe or eat anything at all. The patient stopped taking the medication that day because they simply could not continue, noting they were still feeling terrible afterwards. Unlike many injection users who find side effects fading over time, some on the pill say things only get worse as the dose increases. One person wrote that after raising their dose from 1.5mg to 4mg, they suddenly could not eat and threw up nonstop, even when their stomach was empty. They visited a doctor twice despite seeing cholesterol levels improve, only to be advised to stop the pill with a warning that recovery might take a month.

Social media videos show similar pain points. A TikTok video by a user named Meg has gained more than 107,000 views after she discussed quitting the medication following three weeks of nausea. She admitted she did not know how other people managed it and thought stopping would help, but instead her vomiting continued to the point where short car rides became impossible. Another account details how even a three-year-old daughter could tell something was wrong because the mother became irritable and short with her. The user wrote that they just felt completely out of control during those moments. Others mention headaches, migraines, severe bloating, and exhaustion as part of their experience.

A Reddit user confessed that the pill drained them so completely they barely survived the day without taking a nap. Another person replied that their endless fatigue refused to lift with coffee or rest, ruining both work and exercise plans. Dr Peiris warns these severe side effects, plus mood issues like Sophie's, might not be entirely unexpected.

Experts have long wondered if dumping a large dose of semaglutide directly into the stomach daily could hurt more than a tiny shot given once a week. These worries surfaced even while oral versions were still in clinical trials. With injections, the drug releases slowly over seven days, but with the pill, it dumps quickly once dissolved in the gut.

Dr Peiris thinks this fast release explains why some patients suffer terrible nausea on the tablet form. Drugs like Wegovy mimic a natural hormone released after eating to slow stomach emptying and keep people full. This mechanism drives weight loss success, yet slowing digestion too much leaves folks bloated, sick to their stomachs, or vomiting in bad cases.

Exposing the stomach to massive daily doses could intensify these reactions for certain individuals. There is also another consequence that might explain mood problems seen in patients like Sophie. Most of the body's serotonin lives in the gut and never travels directly to the brain. However, the digestive system and mind talk constantly through a complex web of nerves and signals known as the gut-brain axis.

GLP-1 drugs act on this system, and early research suggests daily oral doses could change how serotonin signaling works inside the gut. Dr Peiris argues this triggers downstream effects on messages traveling between the stomach and brain, potentially hitting areas that control mood and anxiety. When a huge amount of drug hits the stomach at once, it can cause a surge in serotonin activity that sends ripples to the brain.

Dr Peiris stresses this link remains unproven but could explain why some people report anxiety, depression, or other mental shifts while on these medications. With injections, semaglutide absorbs gradually from under the skin into blood rather than flooding the stomach daily. In late-stage trials, 74 per cent of those taking oral semaglutide reported at least one gastrointestinal problem.

This difference in entry might explain why some find the pill hard to tolerate. A daily tablet appeals to people who fear needles or hate weekly shots. Doctors hope this opens weight-loss treatments to a much wider group, and drug makers certainly want that too. Yet Dr Peiris says it also makes proper medical oversight even more important for patient safety.

These are still medicines," the specialist insists, "they need to be prescribed by someone who knows the patient and is keeping an eye on them." She argues that making these drugs easier to swallow is a good thing, yet she warns against letting people start thinking of them as just another weight-loss product. Currently, the daily tablet sits available only for patients with a BMI of 30 or above, which matches the exact threshold for the Wegovy injection. Patients falling between a BMI of 27 and 30 who also carry a weight-related condition such as heart disease, high blood pressure, or sleep apnoea might qualify. However, this specific option is not yet available on the NHS. Dr Peiris voices deep concern because many individuals taking GLP-1 drugs are already being treated for other health problems while simultaneously managing several different medications. "We still don't know everything about how these drugs interact," she warns loudly. "That's why proper medical supervision matters." Like the injections, the pills carry a real risk of the rebound effect, where stopping treatment causes weight to pile back on and wipe out all previous health benefits. "As such, we may end up with a generation of people who have to take these drugs for life," she says, adding that this outcome depends entirely on whether doctors can come up with a proper exit strategy. "The biggest danger is not the drug itself," she states firmly, "but poor information, rushed decisions and the assumption that the pill is just another online purchase." She admits that in a perfect world we would have clear guidelines guiding everyone safely. Until then, however, it remains up to providers to give the best care possible to their patients. In response to these claims made by Dr Peiris and users of the pills, Wegovy manufacturer Novo Nordisk told The Mail on Sunday that they care deeply about patient safety. Like all medicines used for chronic conditions, treatments can have side effects that vary from person to person. That is why medicines are prescribed by healthcare professionals who consider the potential benefits and risks for each individual case. Consistent with available evidence, anxiety and mood disorders are not currently listed on the UK label of side effects for the Wegovy pill. The company added that they are committed to ensuring healthcare professionals and patients have a detailed understanding of our medicine's safety profile. Anyone with concerns about side effects should speak to their doctor, nurse or pharmacist who can provide personalised medical advice and support immediately.