Weight LossFDA ApprovedFDA Approved

Semaglutide

Also known as Ozempic, Wegovy, Rybelsus

A GLP-1 receptor agonist with multiple FDA approvals including weight management, type 2 diabetes treatment, cardiovascular risk reduction, and kidney disease protection. 94% amino acid similarity to human GLP-1.

FDA Approved - T2D, weight loss, CV risk, kidney protection; Oral Wegovy approved Dec 2025

Regulatory Pathway

Preclinical
Phase I
Phase II
Phase III
Phase IV
Approved

Dosing Protocol

Typical Dose

1-2.4 mg weekly (after titration)

Frequency

Once weekly

Duration

Long-term / chronic use

Community-reported dosing. Individual results vary. Not a medical recommendation.
Typical community protocol: 1-2.4 mg weekly (after titration) via Subcutaneous injection weekly, or oral (Rybelsus), Once weekly. Dose range: 0.25-2.4 mg weekly. Duration: Long-term / chronic use.

Timing & Administration

Administer via Subcutaneous injection weekly, or oral (Rybelsus). Frequency: Once weekly.

Mechanism of Action

Mimics the GLP-1 hormone, slowing gastric emptying, increasing insulin secretion, reducing glucagon release, and acting on brain appetite centers to reduce hunger and increase satiety.

Research Summary

Evidence level: fda approved. Clinical status: FDA Approved - T2D, weight loss, CV risk, kidney protection; Oral Wegovy approved Dec 2025.

Side Effects & Safety

Important Warnings

  • BOXED WARNING: Thyroid C-cell tumors
  • Contraindicated with medullary thyroid carcinoma or MEN 2.
Nausea
vomiting
diarrhea
constipation
abdominal pain
headache
fatigue
injection site reactions
hypoglycemia
gallbladder problems
pancreatitis
acute kidney injury

References

No references available.