Semaglutide
Also known as: Ozempic, Wegovy, Rybelsus
How It Works
GLP-1 receptor agonist. Mimics incretin hormone to reduce appetite, slow gastric emptying, and improve insulin sensitivity. Acts on hypothalamic appetite centers.
What It's Used For
Administration
Safety & Side Effects
Possible Side Effects
- ⚠Nausea (very common)
- ⚠Vomiting
- ⚠Diarrhea
- ⚠Constipation
- ⚠Abdominal pain
- ⚠Fatigue
- ⚠Gallbladder issues
- ⚠Pancreatitis (rare)
Contraindications
- ✘Personal/family history of medullary thyroid carcinoma
- ✘MEN 2 syndrome
- ✘Pancreatitis history
- ✘Pregnancy
- ✘Severe GI disease
Research Summary
FDA-approved for weight management (Wegovy) and T2DM (Ozempic). STEP trials showed ~15% body weight loss. SELECT trial demonstrated cardiovascular benefit. Most studied and validated weight loss peptide.
References
- Wilding JPH et al. N Engl J Med. 2021 (STEP 1)
- Lincoff AM et al. N Engl J Med. 2023 (SELECT)
Legal & Availability
FDA-approved (prescription)
This peptide requires a prescription from a licensed provider.
Dosing Protocol
Standard: 0.25mg-2.4mg weekly (titrated up)
Frequency: Once weekly
Timing: Same day each week, any time
Notes: MUST titrate slowly: 0.25mg x4wk → 0.5mg x4wk → 1.0mg x4wk → 1.7mg x4wk → 2.4mg. Rapid escalation causes severe GI side effects.
Stacks Well With
Full stacking protocols and cycling schedules available with Pro subscription.
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This information is for educational purposes only and is not medical advice. Do not use any peptide without consulting a qualified healthcare provider. BioRoot AI is a clinical decision support tool — not a medical provider.