• Clinically proven to help patients lose 10–15% of body weight
  • Reduces cravings and keeps you feeling fuller for longer
  • Once weekly injection making weight loss simple & effective

How it works?

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Overview

Wegovy is one of the most trusted and clinically proven weight loss injections available today. Powered by semaglutide - the same ingredient found in Ozempic — Wegovy works by reducing appetite, slowing digestion, and helping you feel fuller for longer. This makes it far easier to manage cravings, cut calories, and stay on track with your weight loss goals.

In clinical studies, patients using Wegovy lost an average of 10–15% of their body weight, with many also reporting better energy, improved health, and greater confidence in daily life. Unlike daily treatments such as Saxenda, Wegovy is taken just once a week with a simple pre-filled pen, making it convenient and easy to fit into your routine.

For patients seeking a clinically proven, more cost-accessible alternative to newer treatments like Mounjaro, Wegovy offers the perfect balance of effectiveness, safety, and convenience.

Available from SwiftMedi following a secure online consultation with a UK-registered prescriber, your treatment will be dispensed from our UK-regulated pharmacy and delivered quickly and discreetly to your door.

Description

Administration: Wegovy is injected once a week under the skin (abdomen, thigh, or upper arm).


Dosing schedule: Treatment starts with a lower dose, which is gradually increased over several months to the full maintenance dose.


Ease of use: Pre-filled pens are designed for safe and simple self-administration at home.


Duration: Wegovy is intended for long-term use alongside lifestyle changes to maintain weight loss results.

Side Effects

Like all medicines, Wegovy can cause side effects, although not everyone will experience them. Most are mild, temporary, and improve as your body adjusts.

Common (may affect up to 1 in 10 people):

  • Nausea or feeling sick
  • Diarrhoea or constipation
  • Reduced appetite
  • Indigestion or bloating


Less common (may affect up to 1 in 100 people):

  • Vomiting
  • Abdominal pain
  • Fatigue
  • Redness or itching at the injection site


Rare but serious (seek urgent medical advice):

  • Severe abdominal pain (possible pancreatitis)
  • Signs of allergic reaction (rash, swelling, difficulty breathing)


Disclaimer: This is not a complete list of side effects. Always read the patient information leaflet that comes with your medicine for full details. If you notice anything unusual or concerning, stop taking Wegovy and seek medical advice promptly. In an emergency, call 999 or go to A&E.

Warnings

Wegovy may not be suitable for everyone. You should not use it if you:

  • Have a personal or family history of medullary thyroid cancer
  • Have multiple endocrine neoplasia syndrome type 2 (MEN2)
  • Are pregnant or breastfeeding
  • Have severe gastrointestinal disease or pancreatitis


Always complete your consultation truthfully so your prescriber can ensure treatment is safe for you.

Frequently asked questions

  • What is Wegovy and what is it used for?

    Wegovy is a once-weekly injection containing semaglutide, used to support weight loss in adults with obesity or overweight and health risks. It works alongside lifestyle changes and is prescribed after a full assessment to ensure it is suitable for your weight loss goals.

  • How does Wegovy help with weight loss?

    Wegovy works by mimicking a natural hormone that affects appetite, helping you feel full sooner and reducing hunger. This makes it easier to eat smaller meals and maintain a calorie deficit, which supports steady weight loss over time when combined with healthy routines.

  • Who can use Wegovy for weight management?

    Wegovy is usually recommended for adults with a BMI above 30, or above 27 if they have a weight-related condition such as high blood pressure, diabetes or high cholesterol. A prescriber reviews your health, medicines and safety considerations before starting treatment.

  • How do I take Wegovy and what dose do I start on?

    Wegovy is injected once weekly into the skin of your tummy, thigh or upper arm. Most people start on 0.25 mg for four weeks, then gradually increase the dose to reduce the chance of nausea. You should take it on the same day each week.

  • What side effects can Wegovy cause?

    Common side effects include nausea, constipation, diarrhoea, tiredness and reduced appetite. These often settle as your body adapts. Your clinician checks your medical history to make sure this medicine is safe and identifies anything that might increase your risk of side effects.

  • How long does Wegovy take to work?

    Many people notice changes in appetite within the first few weeks, with the most visible weight loss usually building over several months. Results improve when Wegovy is combined with regular meals, balanced nutrition and supportive lifestyle habits.

  • Who should not use Wegovy?

    Wegovy is not suitable if you are pregnant, breastfeeding, under 18, or if you have certain conditions such as severe stomach disease or a personal or family history of thyroid cancer. Your prescriber will review your clinical background carefully.

  • Can I use Wegovy if I don’t have diabetes?

    Yes. Wegovy is licensed for weight management in adults without diabetes, provided they meet the BMI and health-risk criteria. Your prescriber will confirm it is safe, especially if you take other medicines or have long-term health conditions.

  • What foods help reduce side effects on Wegovy?

    Eating smaller meals, adding lean protein and including fibre-rich foods can help manage nausea and keep digestion steady. Avoiding large, greasy or spicy meals also reduces discomfort, especially during dose increases.

  • Is Wegovy safe for long-term use?

    Current evidence shows Wegovy is safe for long-term use when monitored by a clinician. You will have regular reviews to check your progress, manage side effects and ensure the dose remains suitable as your weight and health change.

  • Can I drink alcohol while taking Wegovy?

    Yes, you can drink alcohol, but it may worsen nausea or stomach discomfort, particularly in the early stages. If you have diabetes, alcohol may also increase the risk of low blood sugar, so moderation is recommended.

  • What should I do if I miss a Wegovy dose?

    If you remember within five days of your usual dosing day, take the missed dose as soon as possible. If more than five days have passed, skip it and take your next dose on your regular day.

  • Can I use Wegovy during pregnancy or breastfeeding?

    No. Wegovy is not recommended during pregnancy or breastfeeding, and should be stopped before trying to conceive. Your clinician can advise on safer options if you are planning to become pregnant.

  • Can I buy Wegovy online in the UK?

    Yes, but only from a regulated UK online pharmacy after a full clinical consultation. A prescriber must check your medical history, medicines and eligibility before you can use Wegovy safely.

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