What to do when you're on Wegovy: the practical decisions that matter

Wegovy works best when paired with a reduced-calorie diet and regular physical activity — the licence specifies this, not as a disclaimer, but because it genuinely changes outcomes.
Gastrointestinal side effects are common at the start of each dose stage; most settle within days to two weeks, and how you eat can influence how bad they feel.
Oral contraceptive pill users may need to add a non-oral method while on semaglutide, depending on individual circumstances — worth raising with your prescriber.
If your weight loss slows, the reason is almost always clinical and fixable, but the decision about what to do next belongs to your prescriber, not a forum.

Starting Wegovy is one decision. Working out how to live alongside it is quite another. When you're on Wegovy (semaglutide), the choices you make about food, activity, missed doses and side effects will shape how much benefit you get from treatment. This page walks through the key decisions, backed by NHS guidance and clinical evidence, so you know what to prioritise.

Starting from £29.99/mo

Free 2-minute consultation · Reviewed same day

Start journey
The nume Promise

Order by 12pm.

At your door the next working day.
Free, tracked, plain packaging.

Guaranteed on approved orders

Where are you starting from?

BMI isn't the whole story, but it's where clinicians start. Check yours in ten seconds — nothing is stored, nothing is shared.

Check your BMI.

Ten seconds. Private — nothing is stored or shared.

80 kg
170 cm

Your result updates live in the card alongside.

Your result

Your BMI is

which is in the healthy weight range

Start journey

BMI doesn't determine eligibility — only a clinician can assess whether treatment is right for you.

Treatment options

Weight loss treatments

The problem

Most weight loss services treat you like a transaction, a checkout, a courier, and you're on your own.

Algorithm approvalsNo real clinicianGeneric dosingHidden feesSlow deliverySilence after checkout

The nume way

We built the opposite: one clinician who knows you, guaranteed care at every step.

24 hrs

clinician review. Free next working day delivery.

How it works

From consultation to your door, properly.

Tell us about your health, history and goals. Free, online, and confidential — no commitment, no waiting room.

Our team reviews your health the same day — never an algorithm, and approves your treatment there and then if eligible.

Order by 12pm, dispatched same day, delivered free the next working day — the nume Promise.

The decisions Wegovy patients face, and what the evidence says about each one

How to eat and move when appetite is already lower

The appetite reduction Wegovy produces is real, and for many people it arrives quickly. That's useful. The risk is eating so little that protein intake falls short, which can accelerate muscle loss alongside fat loss. A practical target most prescribers suggest is keeping protein central at each meal (meat, fish, eggs, dairy, legumes) even when a small portion feels like enough.

Hydration matters more than people expect. Nausea and reduced thirst cues can mean you drink less than usual, which compounds any gut discomfort. Plain water, small sips, throughout the day is the kind of ordinary habit that makes a measurable difference. General day-to-day advice for Wegovy patients covers meal timing and portion approaches in more detail.

On activity: Wegovy's licence explicitly requires increased physical activity alongside treatment. The NHS semaglutide patient information page describes this as part of the treatment, not optional extra credit. Strength-based exercise is worth prioritising specifically because it helps preserve lean muscle mass as weight falls. You don't need a gym; resistance bands and bodyweight work count.

The honest note is that many people find the first few weeks harder than expected, not because the medicine isn't working, but because adjusting everything at once (diet, exercise, new injection routine) is genuinely tiring. That's normal, and it does ease.

Managing side effects through the dose stages

The Wegovy titration schedule moves upward every four weeks or so, and each step can bring a fresh wave of GI symptoms: nausea, loose stools, constipation, reflux, fatigue. The starting Wegovy guide covers the early weeks specifically, but the same pattern applies at every dose increase.

Eating smaller meals, eating slowly and avoiding high-fat or heavily spiced food during the first week of a new dose all reduce the intensity of symptoms for most people. Cold or room-temperature food tends to sit better than hot food when nausea is active. Lying flat after eating can worsen reflux; a short walk does the opposite.

One symptom that should never be managed at home without medical advice: severe, persistent stomach pain that radiates towards the back. That description matches the early warning sign of acute pancreatitis, which the MHRA highlighted in a Drug Safety Update in January 2026 as a known (though infrequent) serious risk with GLP-1 medicines. Seek urgent medical help if that pattern appears. For routine side effects, the things to avoid on Wegovy page covers common mistakes that make symptoms worse.

Suspected side effects can be reported directly to the MHRA via the Yellow Card scheme, useful both for your own records and for the wider safety picture.

What to do when weight loss slows or stalls

A plateau after several months on Wegovy is not a sign the medicine has failed. Body weight adapts; metabolic rate adjusts; the calorie deficit that produced rapid early loss narrows over time. This is biology, not a personal shortcoming, and it happens at every weight-loss approach. The question is what to do about it.

The first step is a clinical review, not a forum search. Your prescriber can assess whether you're at the right dose, whether the titration schedule has room to move, whether anything in your diet or activity has shifted, and whether continuing makes sense. What to do if weight loss stalls on Wegovy goes into this in more depth.

NICE's recommendation for semaglutide (TA875) includes reviewing treatment if weight loss is less than 5% after six months at maintenance dose. That review happens with a clinician. Adjusting doses yourself, skipping injections to restart, or adding other products without medical input are all decisions that carry risk and are not recommended.

If cost has become a factor in how consistently you're taking treatment, it's worth looking at the full picture of what Wegovy costs privately in the UK (including what a legitimate prescription service should include) before making any change. Speak to our prescribers if your circumstances have changed; we review every repeat order before dispensing, which means questions like these can be raised at that point without needing a separate appointment.

Practical decisions around contraception, travel and surgery

A few specific situations come up regularly enough to address directly. On contraception: NHS England advises that anyone taking a GLP-1 medicine discuss their contraceptive method with their prescriber before or at the start of treatment. For Wegovy specifically, current evidence does not show the same absorption reduction seen with the oral contraceptive pill on tirzepatide, but this is an active area of guidance and individual circumstances vary. If you use the pill, raise it at your next clinical review.

On surgery: if you're having any procedure that involves anaesthesia, tell the surgical and anaesthetic team you're on semaglutide. Gastric emptying is slowed by the medicine, and this affects anaesthetic risk assessment. Pausing treatment before surgery is sometimes recommended; the timing decision belongs to your surgical team and prescriber jointly.

Travel is straightforward by comparison. Wegovy needs refrigeration at home (2–8°C), but can be kept out of the fridge for a limited period during travel, the exact window is in the Patient Information Leaflet. Take the leaflet with you. A sharps bin for used needles is a practical addition to any travel kit. Injection timing flexibility (when to take Wegovy and what to do if a dose is late) is covered in full if you need it. For a broader overview of semaglutide and how it works, the semaglutide information page is a useful reference.

If any of these decisions feel uncertain, a review with our clinical team at our clinical lead's page explains the oversight structure behind every prescription. Speak to our prescribers if you have questions, aftercare is included, seven days a week.

Looking to start your weight loss journey?
Take a quick eligibility quiz to explore your options and see how we can support you.
Start free consultation

The people

Meet the team.

Mahommed Zunaid Ayub Patel

Superintendent Pharmacist (GPhC No. 2217101)

Accountable for the safe running of our registered pharmacy, from every dispensing check to every dispatch.

Mostafa Damghani

Clinical Lead (GPhC No. 2231744)

Sets our clinical standards and checks everything we publish against current MHRA guidance.

Shelan Salih

Independent Prescriber (GPhC No. 2084501)

Personally reviews consultations and assesses whether treatment is clinically appropriate, and leads dose adjustments and follow-up checks.

Rehenaaz Uddin

Independent Prescriber (GPhC No. 2083426)

Personally reviews consultations and assesses whether treatment is clinically appropriate, and leads dose adjustments and follow-up checks.

Frequently asked questions