The starting dose of semaglutide for weight loss is 0.25 mg once weekly. See the full Wegovy titration schedule, side effect tips, and cost details.
The starting dose of semaglutide for weight loss is 0.25 mg injected once weekly. That starter dose is a titration step rather than a therapeutic dose, and it is designed to let your digestive system adjust before the amount increases. For Wegovy, the only semaglutide product FDA-approved for chronic weight management, the dose rises every four weeks until it reaches the 2.4 mg maintenance dose.
Semaglutide is a GLP-1 receptor agonist, and the starter dose is intentionally low because nausea and other gastrointestinal side effects are most common during the first weeks of treatment. A licensed healthcare provider should always set your personal starting dose and schedule.
The Standard Wegovy Titration Schedule
Wegovy follows a fixed, step-by-step schedule. Each dose is given once weekly as a subcutaneous injection, and each step lasts four weeks.
| Weeks | Weekly dose | What the step is for |
|---|---|---|
| 1-4 | 0.25 mg | Starting dose; lets the body adjust |
| 5-8 | 0.5 mg | First increase |
| 9-12 | 1 mg | Mid-titration |
| 13-16 | 1.7 mg | Approaching maintenance |
| 17 and beyond | 2.4 mg | Approved maintenance dose |
If side effects are troublesome, a prescriber may keep you at a lower dose for longer or step the dose back down. The 0.25 mg and 0.5 mg doses are not intended as maintenance doses, because they have not been shown to produce the full weight-loss effect seen at 2.4 mg.
How Starting Doses Compare Across Semaglutide Products
Semaglutide is sold under several brand names, and the starting dose differs by product and by purpose. Ozempic is approved for type 2 diabetes, not for weight loss, even though it is often prescribed off-label for weight management.
| Product | Starting dose | Approved use | Typical maintenance dose |
|---|---|---|---|
| Wegovy | 0.25 mg weekly | Chronic weight management | 2.4 mg weekly |
| Ozempic | 0.25 mg weekly | Type 2 diabetes | 0.5-2 mg weekly |
| Compounded semaglutide | Varies by pharmacy | Not FDA-approved | Varies |
Compounded semaglutide is not FDA-approved, and concentrations and dosing instructions vary between pharmacies. If you use a compounded product, follow only the instructions from your prescriber and pharmacist, and never convert your own dose from a name-brand pen.
Why some people ask about a faster start
Some people want to begin at a higher dose to lose weight faster. That approach raises the risk of severe nausea, vomiting, and dehydration, and it does not shorten the total time to maintenance. Standard titration exists because it works: gastrointestinal side effects are dose-dependent, and slower increases are better tolerated.
Side Effects During the Starting Dose
Most side effects appear during the first four to eight weeks, and they usually fade as the body adjusts.
- Nausea, especially after fatty or large meals
- Vomiting, diarrhea, or constipation
- Bloating, burping, and stomach pain
- Fatigue and headache
- Injection-site reactions
Semaglutide and alcohol can both upset the stomach and add empty calories, so many clinicians recommend limiting or skipping alcohol while titrating. Call a healthcare professional if you cannot keep fluids down, have severe abdominal pain, or develop signs of dehydration.
Never increase your own dose early. Titration timing is set for safety, not for convenience.
Weight Loss Timeline and Body Composition
Meaningful weight loss usually starts once the dose reaches 0.5 mg to 1 mg, and most of the loss happens during maintenance. In clinical trials of Wegovy, participants lost roughly 15% of body weight on average over 68 weeks when the drug was combined with diet and physical activity. Individual results vary widely.
Research on semaglutide muscle loss suggests that a portion of the weight lost can come from lean tissue, especially with very rapid weight loss and no resistance training. Eating enough protein and lifting weights two to three times a week helps protect muscle. Some patients also ask can semaglutide cause hair loss; rapid weight loss from any method can trigger temporary shedding called telogen effluvium, which usually reverses.
Some people combine GLP-1 therapy with supplements or explore best peptides for muscle growth and recovery, but evidence for many of these products is limited, and some are not legal for human use. Discuss any supplement with a clinician before adding it.
Cost, Insurance, and Access
The cost of ozempic per month can exceed $900 without insurance, and Wegovy is priced in a similar range. Coverage varies by plan, and many insurers require a body mass index threshold or a prior authorization before they will pay.
If you are paying cash, compare the total monthly price, the dose you are on, and whether the pharmacy charges per pen or per month. The 0.25 mg starter pens can be the cheapest month of the entire schedule because the dose is low.
Key Takeaways
- The starting dose of semaglutide for weight loss is 0.25 mg once weekly for four weeks.
- The 0.25 mg dose is a titration step and is not expected to produce major weight loss on its own.
- Wegovy is the only semaglutide product FDA-approved for weight loss in the United States.
- Compounded semaglutide is not FDA-approved, and dosing varies by pharmacy.
- Talk with a licensed healthcare professional before starting, stopping, or changing any semaglutide dose.
Frequently Asked Questions
What is the starting dose of semaglutide for weight loss?
For Wegovy, the FDA-approved semaglutide product for weight loss, the starting dose is 0.25 mg once weekly for four weeks. Ozempic also starts at 0.25 mg weekly, but it is approved for type 2 diabetes rather than weight loss. Compounded semaglutide starting doses vary by pharmacy and are not FDA-approved.
How long should you stay on 0.25 mg of semaglutide?
The standard schedule keeps you at 0.25 mg for four weeks, then increases the dose to 0.5 mg. If side effects are significant, a prescriber may extend the starting dose or slow the titration. The 0.25 mg dose is not meant to be a maintenance dose.
Does the starting dose of semaglutide cause weight loss?
Most people lose little or no weight at 0.25 mg, because the starter dose is for tolerability rather than treatment effect. Measurable weight loss usually begins at 0.5 mg to 1 mg and continues as the dose reaches 2.4 mg. Diet, activity, and sleep still influence results.
This page provides educational research information and does not replace medical advice, diagnosis, or treatment.