Ozempic Side Effects

Ozempic Side Effects: From Mild to Serious, What You Shouldn’t Ignore

Many celebrities and influencers have been using this drug to lose weight

There’s no doubt Ozempic has become one of the hottest names in wellness and celebrity culture lately. Originally, this drug was developed to help people with type 2 diabetes manage blood sugar. But recently, many celebrities and influencers have been using it to lose weight — and it’s sparked a big conversation.

Here’s what you need to know — the good, the bad, and all the stuff in between. So, what Ozempic actually does? The drug works by mimicking a hormone called GLP-1 (glucagon-like peptide-1). That slows digestion, helps you feel full longer, and reduces appetite.

For people who do have type 2 diabetes, it helps manage high blood sugar by triggering insulin release and lowering glucagon. This combo has knock-on effects like weight loss, due to eating less and slower digestion.

An Ozempic (semaglutide) injection pen is seen on a kitchen table in Riga, Latvia on 06 August, 2023. (Jaap Arriens/Getty Images)

Why It’s Become So Popular Beyond Diabetes

Part of it comes down to culture and vanity. We live in a world that’s hyper-focused on appearances, body transformations, and “before and after” moments — and Ozempic is marketed, intentionally or not, as a fast track to that. The buzz only grows when celebrities share their experiences, from Lizzo and Meghan Trainor to Amanda Bynes, Serena Williams, Rosie O’Donnell, and others, turning the drug into both a wellness trend and a pop culture talking point.

Also, it can work pretty well — people do lose weight, sometimes a lot — which makes it tempting for those who haven’t had success with diet plus exercise alone.

@__mrecords__ From Hollywood red carpets to social media reveals, many stars have gone through jaw-dropping transformations ✨ #selenagomez #meghantrainor #christinaaguilera #celeb #beforeandafter ♬ Only God – Speciimen

Ozempic Side Effects: What They Don’t Always Tell You

Using Ozempic when it’s not prescribed for diabetes (or when it’s not medically supervised) comes with severa side effects. Some are mild, others more serious.

Common / Mild Side Effects

  • Nausea, vomiting, diarrhea, constipation, bloating, according to University of Queensland.
  • Loss of appetite — which may sound good, but it can lead to under-eating or disordered eating patterns.
  • Fatigue, burping, sometimes heartburn.

More Serious Risks

Ozempic’s official safety information lists several potential side effects that go beyond the common nausea or fatigue:

  • Pancreatitis — inflammation of the pancreas, which can become serious.
  • Thyroid concerns — tumors were seen in animal studies; not confirmed in humans, but still included in the warnings.
  • Gallbladder and kidney issues — especially if dehydration occurs from ongoing nausea or vomiting.
  • Gastroparesis — when the stomach empties too slowly, leading to chronic nausea, bloating, and even malnutrition.
  • Impact on eating disorders — it may trigger or worsen disordered eating in people with body dysmorphia or a history of unhealthy eating patterns.

What Happens When You Stop Ozempic?

The reality is that many people regain much of the weight once they stop taking Ozempic, especially if they haven’t built lasting lifestyle habits. Appetite usually returns, sometimes stronger than before, and the body naturally pushes back against weight loss over time — making it harder to maintain results without ongoing support.

Ozempic is medicine for adults with type 2 diabetes that along with diet and exercise may improve blood sugar. (Steve Christo – Corbis/Getty Images)

So… Is It Worth It?

Ozempic isn’t magic. It can help with weight loss and is impressive in what it does biologically, but it’s not without trade-offs. When used outside its intended medical scope — especially without supervision — the risks increase (Ozempic side effects). It becomes a balance: what you stand to gain versus what you might lose.

Celebrities make it look easy, but real life is messier. And unless the whole picture (mental health, safety, long-term effects) is part of the plan, things can get messy. If you care about honesty and sustainability (and your health), don’t treat it like a shortcut — treat it like a tool, one of many.

Jessica Bunge uses the squat rack during a GLP-1 specific workout at LM Fitness Center on Tuesday, March 11, 2025 in Los Angeles, CA. Personal trainer Mike Kimani created the workout tailored towards clients using GLP-1’s like Ozempic, focused on building strength from back and lower body muscle loss. (Juliana Yamada / Los Angeles Times via Getty Images)

Let’s not forget fair access: since many people use Ozempic off-label for weight loss, it’s raising concerns about shortages and price hikes that could affect those who truly need it for diabetes.