Semaglutide
Also known as: Ozempic, Wegovy, Rybelsus
At a glance
PeptiGuide dataset · reviewed Aug 2026
What it is
A long-acting GLP-1 receptor agonist peptide.
Status
FDA Approved
Typical dose
1–2.4mg
Researched for
Weight loss, appetite control, blood sugar management
Trial progress
- PrePreclinical
- IPhase I
- IIPhase II
- IIIPhase III
- IVPhase IV
- FDAFDA approved
FDA approved - FDA-approved for specific uses with established human evidence
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In plain language
- Single receptor , described as mimicking endogenous GLP-1 and listed with Ozempic, Wegovy, and Rybelsus as aliases.
- The supplied record labels it FDA Approved and lists research in weight loss, appetite control, and blood sugar management.
- Its evidence narrative cites randomized research findings, a once-weekly schedule, and an oral Rybelsus form.
- Regulatory, efficacy, and safety statements in this draft remain source-reported pending independent review.
How it's thought to work
According to the supplied description, semaglutide stimulates the receptor. Reported downstream effects include increased insulin secretion when glucose is elevated, decreased glucagon, slower gastric emptying, and hypothalamic appetite signaling. A fatty-acid modification is described as promoting albumin binding and as associated with an approximately 160 hour (about 160 hours) , supporting weekly administration.
What the research shows
Where the research stands
The source characterizes the clinical literature as extensive. It reports that the SUSTAIN program established blood-sugar control in type 2 diabetes and that SUSTAIN 6 reduced cardiovascular events. For STEP 1, published in the New England Journal of Medicine in 2021, the source describes nearly 2,000 adults without diabetes in a randomized trial: at a 68 week endpoint, semaglutide 2.4 mg had 14.9 % mean weight loss versus 2.4 % with placebo, and most participants lost at least 5 %. It characterizes this as large randomized, placebo-controlled research rather than pilot data. Gastrointestinal effects, including nausea, vomiting, and constipation, were reported as most prominent during escalation; the source also reports an oral weight-management version as approved.
What it shows
✓ Human clinical evidence
FDA-approved for specific uses with established human evidence
△ Limitations
Use only according to approved labeling and qualified medical guidance.
Bottom line: FDA-approved status recorded by the supplied source; it also reports several 2025-2026 indication and formulation updates. FDA Approved
Typical dosing
CommunityCommunity dataset1–2.4 mg
weekly (after titration)
Community material describes a 16-20 week titration span: 0.25 mg at the outset, changes every 4 week interval, and some remaining at 1 mg when tolerated. This is a reported schedule, not individualized guidance.
Research dosing
Indication-specificApproved for specific uses - study doses are indication-specific
Timing & administration
Best time to take
Morning, same day each week
Once weekly, same day and time
Food recommendation
With or without food
Why this timing?
The supplied source presents consistent weekly timing and a morning schedule as a practical way to observe reported effects while awake; it does not establish a time-of-day outcome advantage.
Possible side effects
Not everyone experiences these. Individual responses vary with dose, duration, and personal factors.
- Nausea
- Vomiting
- Diarrhea
- Constipation
- Abdominal pain
- Headache
- Fatigue
- Injection site reactions
- Hypoglycemia
- Gallbladder problems
- Pancreatitis
- Acute kidney injury
- Thyroid C-cell tumors
Not everyone experiences side effects, and severity can vary by context, purity, route, and individual health factors.
Frequently asked questions
Sequence
H-Aib-EGTFTSDVSSYLEGQAAK(1)EFIAWLVRGRG; C18-diacid-gamma-Glu-2xOEG linked at Lys20
One open dataset
Every fact on this page - doses, side effects, references - comes from the same PeptiGuide dataset that powers the Tracker, Compare, and the Lab.
Browse the datasetEducational resource, not medical advice. Talk to your clinician before acting on anything here.
Community discussion
Comments are moderated before they appear. Keep it evidence-focused.