Semaglutide: Dosage, Protocol, and Research Guide
GLP-1 receptor agonist for weight management and glycemic control
Mechanism
Mimics GLP-1 hormone to increase insulin secretion, decrease glucagon release, slow gastric emptying, and promote satiety through hypothalamic pathways. Activates POMC/CART neurons while inhibiting NPY/AgRP neurons in the arcuate nucleus.
Protocol at a glance
| Starting dose | 0.25mg |
|---|---|
| Maintenance dose | 1.0-2.4mg |
| Maximum dose | 2.4mg |
| Frequency | Once weekly |
| Typical duration | Ongoing therapy |
| Route | Subcutaneous |
| Injection site | Abdomen, thigh, or upper arm |
| Timing | Any time of day, with or without food |
Titration schedule
| Week | Dose | Notes |
|---|---|---|
| 1 | 0.25mg | Initial dose for 4 weeks |
| 5 | 0.5mg | Increase if tolerated |
| 9 | 1.0mg | Standard maintenance dose |
| 13 | 1.7mg | If additional weight loss needed |
| 17 | 2.4mg | Maximum dose |
Side effects
- Nausea
- Vomiting
- Diarrhea
- Decreased appetite
- Constipation
- Abdominal pain
- Fatigue
Contraindications
- Type 1 diabetes
- History of pancreatitis
- Gastroparesis
- MEN 2 syndrome
- Medullary thyroid carcinoma
Protocol notes
- Rotate injection sites weekly
- Take at same time each week
- May take 4-5 weeks to reach steady state
- Monitor for pancreatitis symptoms
- Counsel on proper injection technique
Frequently asked questions
What is Semaglutide used for?
Semaglutide has been studied for: GLP-1 receptor agonist for weight management and glycemic control Mechanism: Mimics GLP-1 hormone to increase insulin secretion, decrease glucagon release, slow gastric emptying, and promote satiety through hypothalamic pathways. For research purposes only — consult a licensed physician before use.
What is the standard Semaglutide dose?
Starting dose in published protocols is typically 0.25mg, titrating up to a maintenance dose of 1.0-2.4mg (max 2.4mg). Frequency: Once weekly. Route: Subcutaneous. Always confirm with a medical professional.
How is Semaglutide administered?
Semaglutide is typically administered subcutaneous at the abdomen, thigh, or upper arm. Timing: Any time of day, with or without food. Rotate injection sites to avoid tissue irritation.
What are the side effects of Semaglutide?
Reported side effects include: Nausea, Vomiting, Diarrhea, Decreased appetite, Constipation. Individual responses vary. Contact a healthcare provider if you experience unexpected symptoms.
Who should not take Semaglutide?
Contraindications in published research include: Type 1 diabetes, History of pancreatitis, Gastroparesis, MEN 2 syndrome, Medullary thyroid carcinoma. This is not an exhaustive list — consult a physician before starting any peptide protocol.
How long does Semaglutide take to work?
Timelines vary by individual and goal. Published protocols run for Ongoing therapy. Track doses, side effects, and biomarker changes over time to measure your own response rather than relying on community averages.
How do I track Semaglutide with Alethea Health?
Alethea Health lets you log every Semaglutide dose, track adherence, sync wearable data (HRV, RHR, sleep), upload lab panels, and correlate changes to your protocol. Free to start — no credit card required.
More GLP-1 & Weight Loss peptides · All peptide guides · Free dose calculator
Educational reference only — not medical advice. Work with a qualified clinician.