Wegovy 0.25 mg: What the Starting Dose Means for Your Journey

Wegovy (semaglutide) is a once-weekly injectable GLP-1 receptor agonist supplied as a pre-filled pen. According to the electronic Medicines Compendium (eMC), the 0.25 mg dose is the starting strength in the standard titration schedule — a low, introductory level intended to support tolerability rather than to deliver the full weight-management effect. Dose progression is guided entirely by your prescriber or doctor, based on your individual response and tolerability, and should never be adjusted on your own.

Does 0.25 mg Wegovy produce weight loss?

Some people do notice early appetite changes or modest weight changes during the starting phase, and this is commonly reported. However, the 0.25 mg stage is primarily about tolerability, and significant results are not the expected purpose of this dose. Whether your dose is reviewed or adjusted — and when — is a decision for your prescriber alone.

Commonly reported side effects at this stage

Side effects most frequently associated with Wegovy, including at the starting dose, include nausea, diarrhoea, constipation, and indigestion. These are generally reported to be mild and most noticeable in the days following an injection. If you experience anything severe, persistent, or that worries you, contact your healthcare professional promptly — do not wait for your next scheduled appointment.

For context on how the 0.25 mg starting stage compares with a comparable introductory dose on a different medicine, see our page on Mounjaro dosing and titration. If you want to understand the practicalities of the pen itself, our guide on using the 0.25 mg Wegovy pen covers what to expect. You can also explore a Wegovy 0.25 dose click reference chart if you want to familiarise yourself with how the pen works.

The starting dose period is one of the most useful times to build a logging habit, because the patterns you notice now — how you feel after each injection, what side effects appear and when, how your appetite shifts — become genuinely valuable data to bring to your prescriber.

Dose logging is the core feature for this phase in GLP Trackr. Every time you administer your weekly injection, you can record the dose strength, date, and time in a few taps, building a clear, timestamped history. If you ever need to check when your last dose was, or want to bring an accurate record to a prescriber appointment, it is all in one place — including the ability to log a missed or delayed dose to discuss with your clinician.

Alongside dose logging, the side-effect tracker lets you note symptoms like nausea or fatigue each day and see whether they cluster around injection day or ease as the week progresses. Over even a few weeks, this kind of pattern can be a helpful conversation-starter with your prescriber about how you are tolerating the current dose.

GLP Trackr also includes a daily check-in — a quick morning log for weight, energy, mood, and food noise — so your experience during the 0.25 mg phase is captured honestly and completely, not just in memory.

GLP Trackr is a tracking and journaling tool — it is not a substitute for your prescriber's advice, and any decision about your dose belongs with them, not with an app. Always follow the guidance of the clinician who prescribed your medication.

Ready to start logging? Download GLP Trackr on the App Store or Google Play and explore it free for 7 days — no commitment needed while you find your feet in this first phase.