Semaglutide Dosage Chart & Titration Schedule
The complete semaglutide dosage chart and titration schedule for Wegovy and Ozempic — starting dose, weekly step-ups, max dose, compounding math, storage rules, and a free GLP-1 dose calculator.
Understanding the Semaglutide Starting Dose for Weight Loss
The Golden Rule
“Start low and go slow.” The universal semaglutide starting dose for weight loss is 0.25 mg injected once weekly for the first four weeks.
Why the frustration is normal
Many patients feel frustrated when they don’t see an immediate weight drop at this stage, but it’s vital to understand that 0.25 mg is not a therapeutic weight-loss dose.
Strictly for tolerance
This initial phase is strictly for tolerance. Semaglutide mimics a hormone (GLP-1) that slows gastric emptying and signals the brain that you are full. Shocking your system with a high dose immediately can lead to severe gastrointestinal distress, including extreme nausea, vomiting, and dehydration.
Why tolerance matters
Completing the 4-week starter cycle lets the medication build safely in your bloodstream. Want a personalised step-up plan? Run your numbers through our free GLP-1 dose calculator first.
The Official Semaglutide Weight Loss Dosage Chart
Use the standard FDA-approved titration schedule for Wegovy (approved specifically for weight management). Print it and circle the date you step up to each new dose.
| Treatment Phase | Duration | Weekly Dose | Purpose |
|---|---|---|---|
| Initiation | Weeks 1-4 | 0.25 mg | Build gastrointestinal tolerance (not a therapeutic weight-loss dose). |
| Step 2 | Weeks 5-8 | 0.5 mg | Continued acclimation; mild appetite suppression may begin. |
| Step 3 | Weeks 9-12 | 1 mg | Moderate therapeutic effect; appetite suppression noticeable. |
| Step 4 | Weeks 13-16 | 1.7 mg | High therapeutic effect; significant weight reduction. |
| Maintenance | Week 17 & beyond | 2.4 mg | Sustain maximum weight loss and long-term management. |
Semaglutide Titration Ladder (Wegovy)
Weekly dose in milligrams at each 4-week phase — the FDA-approved “start low, go slow” escalation to the 2.4 mg maintenance dose.
Source: FDA Wegovy prescribing information. Ozempic follows a similar ladder but tops out at 2.0 mg (0.25 → 0.5 → 1.0 → 2.0 mg). Dose changes should always be a shared decision with your prescriber.
Wegovy vs Ozempic: Same Drug, Different Rules
Both contain the identical active ingredient — semaglutide — but they are approved for different uses and follow different dosing ceilings. Here’s the side-by-side.
| Feature | Wegovy | Ozempic |
|---|---|---|
| Active ingredient | Semaglutide (identical molecule) | Semaglutide (identical molecule) |
| FDA-approved use | Chronic weight management | Type 2 diabetes (weight loss is off-label) |
| Maximum / maintenance dose | 2.4 mg once weekly | 2.0 mg once weekly |
| Dose strengths | 0.25, 0.5, 1.0, 1.7, 2.4 mg | 0.25, 0.5, 1.0, 2.0 mg |
| Pen type | Single-dose auto-injector | Multi-dose dial pen |
| In-use storage (after first use) | Use the single-dose pen immediately once uncapped | Up to 56 days (room temp or fridge) |
| Eligibility (label) | BMI >= 30, or >= 27 with a weight-related condition | Adults with type 2 diabetes |
Semaglutide for Weight Loss in Non-Diabetics
Wegovy (FDA-approved for weight)
For non-diabetics
If you do not have type 2 diabetes, the FDA-approved medication is Wegovy. The schedule for non-diabetics follows the chart above, culminating in a 2.4 mg weekly maintenance dose. It is indicated for adults with a Body Mass Index (BMI) of 30 or higher, or a BMI of 27 or higher with at least one weight-related condition such as hypertension or high cholesterol.
Ozempic (off-label for weight)
For type 2 diabetes
Ozempic contains the same active ingredient but is FDA-approved for type 2 diabetes, so doctors prescribe it “off-label” for weight loss. On Ozempic, your maintenance dose might stop at 0.5 mg, 1.0 mg, or 2.0 mg depending on your response and your physician’s recommendation.
Why Increase the Dose of Semaglutide for Weight Loss?
Weight-loss plateau looming
The body is remarkably adaptable. Over time it builds tolerance to the delayed gastric emptying and brain-signalling effects of your current dose. That can lead to the dreaded weight-loss plateau, where hunger returns and the scale stalls. Stepping up keeps the medication ahead of your body’s adaptation curve.
The flip side: you may not need to increase
That said, you don’t have to increase if you’re consistently losing 1–2 lbs a week and feeling well. Many clinicians prefer to keep patients on the lowest effective dose for as long as possible to minimise side effects. Dose escalation should always be a shared decision with your provider.
What Is the Maximum Dose of Semaglutide for Weight Loss?
Wegovy — Weight Management
2.4 mg
per week — maximum approved dose
The maximum dose of semaglutide for weight loss is 2.4 mg per week (via Wegovy).
Ozempic — Blood Sugar Control
2.0 mg
per week — maximum FDA-approved dose
What the STEP trial proved
The STEP (Semaglutide Treatment Effect in People with obesity) trials showed this dose produced the most significant, sustained weight loss — participants lost an average of roughly 15% of body weight over 68 weeks. For Ozempic, the maximum FDA-approved dose for blood sugar control is 2.0 mg per week. Exceeding these limits does not speed up weight loss; it only increases the risk of severe side effects such as pancreatitis and acute kidney injury.
Compounding Pharmacy Math: 5 mg/mL & 10 mg Vials
If your vial is concentrated at 5 mg/mL (1 unit = 0.01 mL):
0.25 mg
Draw 0.05 mL
5 units on syringe
0.5 mg
Draw 0.1 mL
10 units on syringe
1 mg
Draw 0.2 mL
20 units on syringe
1.7 mg
Draw 0.34 mL
34 units on syringe
2.4 mg
Draw 0.48 mL
48 units on syringe
The “10 mg Vial” Explained
How long a vial lasts depends on your weekly dose
On 0.25 mg starter
40 doses
technically, but vial expires after 28 days
On 2.4 mg maintenance
~4 weeks
about 4.16 doses per vial
A “10 mg vial” refers to the total semaglutide in the bottle — how long it lasts depends on your weekly dose. On the 0.25 mg starter dose a 10 mg vial technically contains 40 doses, but punctured vials generally must be discarded after 28 days to prevent bacterial contamination, so a large vial used for a starter dose often means wasted medication. On a 2.4 mg maintenance dose, a 10 mg vial lasts roughly 4 weeks (about 4.16 doses).
Dose Splitting & the “Click Chart” Reddit Trend
Online forums are full of “click-counting” threads — users extracting smaller doses from a 1 mg Ozempic pen (which delivers its full dose in ~74 clicks) to stretch a pen or mitigate nausea.
0.25 mg
≈ 18 clicks
0.5 mg
≈ 37 clicks
1 mg
≈ 74 clicks
Storage Rules That Actually Matter
Improper storage destroys your medication and makes precise dosing pointless.
Unopened pens (both)
Refrigerated
Store at 36°F-46°F (2°C-8°C), away from the cooling element. If a pen freezes, it is ruined — discard it.
Ozempic (in-use)
Punctured
Keep at room temperature (up to 86°F) or in the fridge. Discard exactly 56 days after first use.
Wegovy (in-use)
Single-dose pen
An unused Wegovy pen can sit at room temperature for up to 28 days. Once you remove the cap, inject immediately.
GLP-1 Dose Calculator
Enter your medication, vial concentration, and target dose. Get your exact draw volume, syringe units, and titration timeline in seconds — no signup.
Run a Free Dose Check →Advanced GLP-1 Tracker
Log every injection, auto-schedule your titration step-ups, track weight and side effects over time, and get refill reminders before your pen expires. Built for the long haul.
Explore the Premium Tracker →Safety, Warnings & the Limits of This Guide
FDA highest safety alert
Semaglutide carries a boxed warning for a potential risk of thyroid C-cell tumors (based on rodent studies). It is contraindicated for anyone with a personal or family history of Medullary Thyroid Carcinoma (MTC) or Multiple Endocrine Neoplasia syndrome type 2 (MEN 2). Alert your provider immediately if you develop severe abdominal pain radiating to your back (a sign of pancreatitis), vision changes, or an unusual lump in your neck.
Finding the correct dose is a balance between maximum benefit and tolerable side effects. Let this guide serve as your roadmap — but your body sets the final pace, and your prescriber has the final word.
Take the dosage guide with you
Download a free, printable semaglutide dosage guide — full titration schedule, Wegovy-vs-Ozempic comparison, compounding math, storage, and sources in one PDF.
Frequently Asked Questions
Why am I not losing weight on the 0.25 mg starting dose?+
The 0.25 mg dose is a tolerance-building dose, not a therapeutic weight-loss dose. Its only job is to let your gut adjust to the slowed gastric emptying so you can climb the ladder without severe nausea. Judge your progress once you reach 1.0 mg or 1.7 mg.
Can I inject every 5 days instead of 7 to boost the effect?+
No. Semaglutide has a half-life of about one week, so it accumulates in your system over time. Shortening the interval raises the steady-state concentration too fast, amplifying side effects without any proven safety or efficacy benefit. Stick to the once-weekly, 7-day schedule.
What if I throw up shortly after my injection?+
If you vomit within a few hours of injecting, the medication has almost certainly already been absorbed into your subcutaneous tissue. Do not inject another dose to 'make up' for it — simply resume on your next scheduled injection day.
Where is the best place to inject to reduce nausea?+
Efficacy is identical across the abdomen, thigh, and upper arm. Anecdotally some patients report fewer GI symptoms injecting into the upper thigh, but there is no strong evidence the site changes how the drug works. Rotate sites weekly to avoid lipohypertrophy (hard lumps under the skin).
Can I step back down to a lower dose if a higher one feels awful?+
Yes. Wegovy's prescribing protocol explicitly allows dose reduction if you can't tolerate a titration step — for example, stepping back from 1.7 mg to 1.0 mg. Always do this with your prescriber so they can adjust the prescription correctly.
What is the maximum dose of semaglutide for weight loss?+
For Wegovy, the standard maximum weight-management dose is 2.4 mg once weekly. For Ozempic, the maximum approved dose (for blood-sugar control) is 2.0 mg once weekly. Exceeding these limits does not speed up weight loss — it only raises the risk of serious side effects.
Is it safe to 'click-count' or split an Ozempic pen to save money?+
The manufacturer does not endorse click-counting or dose-splitting, and getting it wrong leads to under- or over-dosing. An Ozempic pen is also only sterile for 56 days after first puncture, so stretching a pen across many weeks risks bacterial contamination. Never attempt it without explicit medical supervision.
References & Sources
Every dosage figure in this guide is drawn from official prescribing information and peer-reviewed research.
- 1Wegovy (semaglutide) Prescribing Information — U.S. Food & Drug Administration (FDA)
- 2Ozempic (semaglutide) Prescribing Information — U.S. Food & Drug Administration (FDA)
- 3Once-Weekly Semaglutide in Adults with Overweight or Obesity (STEP 1) — New England Journal of Medicine
- 4Semaglutide — pharmacology, half-life and indications — Wikipedia
- 5Wegovy (semaglutide) medicines guide — NHS (UK)
- 6National Diabetes Prevention Program (7% weight loss leads to 58% lower T2D risk) — Centers for Disease Control and Prevention (CDC)
Disclaimer: This article is for educational and informational purposes only and does not constitute medical advice. Prescription decisions, dose adjustments, and the use of compounding pharmacies must always be managed by a qualified, licensed healthcare provider who knows your full medical history.
The Bottom Line
Semaglutide works best when you respect the ladder: start at 0.25 mg, step up every four weeks only as tolerated, and let your prescriber set the ceiling. Check your exact dose for free, then keep every injection on schedule with advanced tracking.
