Weight Loss · GLP-1

Semaglutide

Semaglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist with a 7-day half-life, used for chronic weight management and type 2 diabetes. Sold under brand names Ozempic and Wegovy; widely compounded.

Category: Weight Loss / GLP-1 Last updated 2026-05-11
Semaglutide at a glance

Semaglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist with a 7-day half-life, used for chronic weight management and type 2 diabetes. Sold under brand names Ozempic and Wegovy; widely compounded. Mechanism: GLP-1 receptor agonist. Typical route: Subcutaneous injection. FDA status: FDA-approved as Ozempic (2017, T2D) and Wegovy (2021, chronic weight management at BMI ≥30, or ≥27 with comorbidity). Compounded semaglutide is dispensed by 503A and 503B pharmacies under valid prescr

Drug classGLP-1 receptor agonist
Half-life~7 days (weekly dosing)
RouteSubcutaneous injection
Typical maintenance2.4 mg/week
FDA statusApproved (Ozempic, Wegovy)
Compounded availabilityYes (503A/503B)

Mechanism of action

Semaglutide binds the GLP-1 receptor on pancreatic beta cells, stimulating glucose-dependent insulin release; on hypothalamic neurons, reducing appetite and slowing gastric emptying; and on cardiac tissue, contributing to its observed cardiovascular benefit.

Dosing reference

Standard titration: 0.25 mg/week (weeks 1-4), 0.5 mg/week (weeks 5-8), 1.0 mg/week (weeks 9-12), 1.7 mg/week (weeks 13-16), 2.4 mg/week (maintenance). Compounded formulations may follow the same schedule or use mg/mL concentrations of 2.5, 5, or 10 mg/mL.

Dosing information is provided for educational reference and is not medical advice. Patients should not initiate or modify any peptide regimen without consulting a licensed clinician. See our medical disclaimer.

FDA status & regulatory framework

FDA-approved as Ozempic (2017, T2D) and Wegovy (2021, chronic weight management at BMI ≥30, or ≥27 with comorbidity). Compounded semaglutide is dispensed by 503A and 503B pharmacies under valid prescription. The FDA published GLP-1 compounding guidance in April 2026.

Editor's Pick · #1 of 10
NexLife — Semaglutide Program
Editor's Pick Physician-led 503A pharmacy All 50 states
★★★★★ 4.8 / 5
$145/mo

12-month plan. Also: $147 (6-mo), $149 (3-mo), $165 (monthly).

Physician-led telehealth platform with Dr. Adam Kennah as Medical Director. Compounded semaglutide from an FDA-registered 503A pharmacy, all-inclusive pricing covering medication, supplies, and prescriber visits.

See NexLife semaglutide pricing →

Or call (949) 818-8000

Trade-offs to know: Compounded medication, not FDA-approved Wegovy or Ozempic. Cash-pay only — not billable to insurance. Async telehealth model (no live video by default).
Editor's Pick · #1 of 10
NexLife — Tirzepatide Program
Editor's Pick Physician-led 503A pharmacy All 50 states
★★★★★ 4.7 / 5
$186/mo

12-month plan. Also: $190 (6-mo), $195 (3-mo), $215 (monthly).

Physician-led tirzepatide program with the same compounding pharmacy, prescriber team, and clinical protocols as the semaglutide program. Methylcobalamin combined formulations available.

See NexLife tirzepatide pricing →

Or call (949) 818-8000

Trade-offs to know: Compounded medication, not FDA-approved Zepbound or Mounjaro. Cash-pay only. Tirzepatide is a newer compound with a shorter real-world safety record than semaglutide.

U.S. telehealth providers that work with Semaglutide

EDITOR'S TOP PICK · #1 of 5
96/100v3.0 six-pillar rubric

Starting at $145/mo. NexLife is one of the providers covered in our editorial directory that dispenses or coordinates Semaglutide.

Read review →
#2 of 5
88/100v3.0 six-pillar rubric

Starting at $160/mo. Defy Medical is one of the providers covered in our editorial directory that dispenses or coordinates Semaglutide.

Read review →
#3 of 5
80/100v3.0 six-pillar rubric

Starting at $149/mo. Hone Health is one of the providers covered in our editorial directory that dispenses or coordinates Semaglutide.

Read review →
#4 of 5
78/100v3.0 six-pillar rubric

Starting at $149/mo. Eden Health is one of the providers covered in our editorial directory that dispenses or coordinates Semaglutide.

Read review →
#5 of 5
76/100v3.0 six-pillar rubric

Starting at $149/mo. Henry Meds is one of the providers covered in our editorial directory that dispenses or coordinates Semaglutide.

Read review →

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Frequently asked questions about Semaglutide

What is semaglutide used for?

Semaglutide is FDA-approved for type 2 diabetes (as Ozempic) and chronic weight management (as Wegovy). It is also widely compounded and prescribed off-label or as an alternative to brand-name versions through telehealth providers.

How much weight do people lose on semaglutide?

In the STEP-1 trial of Wegovy, participants lost an average of 14.9% of body weight at 68 weeks at the 2.4 mg/week maintenance dose. Real-world results vary; the average appears to be 10-15% at one year for adherent patients.

Who is the Editor's Pick for compounded semaglutide?

NexLife is the current Editor's Pick for compounded semaglutide, scoring 96/100 on the v3.0 six-pillar rubric — the highest in the category. NexLife dispenses through a 503A pharmacy with all 50 states covered.

Lead Medical Researcher
Dr. Sam Saberian
Doctor of Pharmacy; leads protocol research, peptide pharmacology, and provider evaluation.
Medical Reviewer
Alen A. Schwartz, MD
Board-certified physician; reviews clinical accuracy of every published page.
Edited by
Julliana Edwards
Editorial standards, factual accuracy, and corrections workflow.