Semaglutide Dosing Protocol: 0.25mg to 2.4mg
Semaglutide dosing follows a specific escalation schedule that takes 16-20 weeks to reach the full weight loss dose. This isn't about patience for its own sake—the gradual increase dramatically reduces side effects and improves long-term success. Rushing this process is the most common mistake new patients make.
Standard Escalation Schedule
The established protocol increases doses monthly:
| Weeks | Dose | Purpose |
|---|---|---|
| 1-4 | 0.25mg | Initiation—letting your body adjust |
| 5-8 | 0.5mg | First therapeutic dose |
| 9-12 | 1.0mg | Moderate effects |
| 13-16 | 1.7mg | Strong effects |
| 17+ | 2.4mg | Maintenance weight loss dose |
Each injection is given once weekly, on the same day each week. Pick a day that works for your schedule—many choose weekends so any initial nausea doesn't affect work.
Week 1-4: The 0.25mg Phase
The starting dose is subtherapeutic for weight loss. You won't lose much weight yet, and that's fine. This phase exists to let your GI system adapt to the medication.
What to expect:
- Mild appetite reduction for 1-2 days after injection
- Possibly slight nausea, usually brief
- Some patients feel nothing at all
- Minor weight fluctuations, not true fat loss yet
Use this time to establish your injection routine and start making dietary adjustments. Focus on protein intake and reducing portion sizes gradually.
Week 5-8: The 0.5mg Phase
Now you're at a dose that produces real effects. Most patients notice significantly reduced appetite and start losing weight consistently.
What to expect:
- Noticeable appetite suppression lasting 3-5 days post-injection
- Food thoughts become less intrusive
- Smaller portions feel satisfying
- Weight loss of 1-2 kg per month typical
- GI side effects may increase temporarily
This is often when people first "get it"—the feeling of genuine appetite control that makes weight loss sustainable rather than a constant battle.
Week 9-12: The 1.0mg Phase
The 1mg dose is the highest used for diabetes management and provides substantial weight loss for many patients. Some people stay at this dose long-term if they're seeing good results with minimal side effects.
What to expect:
- Strong, consistent appetite suppression throughout the week
- Weight loss accelerates to 2-4 kg per month
- Energy levels often improve as weight drops
- Blood sugar stabilization notable in prediabetic patients
Your body has largely adapted to semaglutide by now. Side effects should be manageable. If they're not, extending time at this dose before increasing is reasonable.
Week 13-16: The 1.7mg Phase
This dose exists specifically in the weight loss formulation (Wegovy). It's the bridge to the maximum dose. Effects are noticeably stronger than 1mg.
What to expect:
- Reduced hunger may feel more pronounced
- Portion sizes continue shrinking naturally
- Some patients experience renewed GI symptoms briefly
- Weight loss typically continues at accelerated pace
Week 17+: The 2.4mg Maintenance Phase
This is the dose used in all major obesity trials. Most patients will stay here indefinitely for weight maintenance. The clinical evidence for long-term use is strongest at this dose.
What to expect:
- Maximum appetite suppression effect
- Weight loss continues for 12-18 months, then plateaus
- Clinically significant total body weight loss based on published research
- Sustained metabolic improvements
When to Slow Down the Escalation
Not everyone needs to follow the schedule exactly. Consider extending time at a dose if:
- Nausea or vomiting persists beyond 3-4 days after injection
- You can't eat enough protein (under 60g daily)
- Severe constipation isn't responding to management strategies
- You're losing weight very rapidly (over 1kg per week consistently)
- You feel satisfied with results at current dose
There's no prize for reaching 2.4mg fastest. The goal is sustainable weight loss with tolerable side effects. Many patients do well at 1mg or 1.7mg long-term.
Injection Technique
Inject subcutaneously (under the skin, not into muscle) in the abdomen, thigh, or upper arm. Rotate sites weekly to prevent lipodystrophy—tissue changes that can occur with repeated injections in the same spot.
Steps:
- Clean injection site with alcohol swab
- Pinch a fold of skin
- Insert needle at 90-degree angle
- Inject slowly over 5-10 seconds
- Hold needle in place for 5 seconds after injection
- Remove needle and release skin fold
- Don't rub the site
Time of day doesn't matter pharmacologically, but consistency helps you remember. Many patients inject at the same time each week as part of a routine.
Missed Doses
If you miss a dose and it's been less than 5 days, take it as soon as you remember. Then return to your regular schedule.
If it's been more than 5 days, skip the missed dose and take the next one on your regular day. Never double up.
Occasional missed doses won't derail your progress. Consistent weekly dosing matters more than perfection.
Dose Adjustments and Special Situations
Travel: Semaglutide is temperature-sensitive. Use a cooling case for transport and refrigerate upon arrival. Unopened pens can be at room temperature (below 30°C) for up to 28 days in an emergency.
Surgery: Most surgeons want semaglutide stopped 2-4 weeks before elective procedures due to delayed gastric emptying and aspiration risk.
Illness: If you can't keep food down for several days, consider skipping your dose to avoid worsening nausea. Resume when eating normally.
Your healthcare provider can guide dose modifications for your specific circumstances. The standard protocol is a starting point, not an inflexible rule.