FDA ReviewedUpdated May 20, 2026

Semaglutide Guide

Semaglutide is a GLP-1 receptor agonist approved by the FDA for both type 2 diabetes management and chronic weight management. It has become one of the most prescribed medications in the United States, with clinical trials demonstrating weight loss of up to 15% of body weight.

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At a Glance

Generic NameSemaglutide
Brand NamesOzempic, Wegovy, Rybelsus
FDA StatusFDA-approved for type 2 diabetes as Ozempic (2017) and Rybelsus (2019); FDA-approved for chronic weight management as Wegovy (2021)[1][2]
Approval DateJune 4, 2021[1]

How Semaglutide Works

Semaglutide mimics the naturally occurring hormone GLP-1 (glucagon-like peptide-1), which is released after eating. It activates GLP-1 receptors in the brain to reduce appetite and increase feelings of fullness, while also slowing gastric emptying so food stays in the stomach longer. These combined effects lead to reduced caloric intake and meaningful, sustained weight loss.[3][6]

Dosing Schedule

Semaglutide uses a gradual dose escalation to minimize side effects. Always follow your prescriber's guidance and the current FDA label[1].

Weeks 1–40.25mg/week
Weeks 5–80.5mg/week
Weeks 9–121.0mg/week
Weeks 13–161.7mg/week
Week 17+2.4mg/week (maintenance)

Side Effects

Common: nausea, vomiting, diarrhea, constipation, abdominal pain, decreased appetite, headache, fatigue. Serious (rare): pancreatitis, gallbladder disease, kidney problems, diabetic retinopathy complications, increased heart rate. Rare thyroid C-cell tumors observed in animal studies — contraindicated in patients with personal or family history of MTC or MEN2.[1][3]

This is not a complete list. Consult your healthcare provider or prescriber for full safety information. The complete adverse reaction profile is published in the current FDA prescribing information[1].

Clinical Trial Results

In the landmark STEP-1 trial (N=1,961), adults treated with semaglutide 2.4mg achieved an average body weight loss of 14.9% over 68 weeks, compared to 2.4% in the placebo group. 86.4% of participants lost at least 5% of body weight, versus 31.5% with placebo.[3][4][5]

Source: Published clinical trial data (STEP / SURMOUNT trial series) — see the Sources panel below for full citations.

Where to Get Semaglutide

These telehealth providers offer access to semaglutide or compounded equivalents with online consultations and home delivery.

9.0/ 10

CoreAge Rx

Best for: best overall value

★★★★4.5

Editorial score · methodology

$149/mo
CompoundedSemaglutideTirzepatideLegitScript Verified
Get StartedRead full CoreAge Rx review →
9.0/ 10

TrimRx

Best for: best overall value

★★★★4.5

Editorial score · methodology

$199/mo
CompoundedSemaglutide
Get StartedRead full TrimRx review →
8.7/ 10

NovoCare Pharmacy

Best for: branded Wegovy at the lowest manufacturer-direct self-pay price

★★★★4.4

Editorial score · methodology

$199/mo
BrandSemaglutide
Get StartedRead full NovoCare Pharmacy review →
8.7/ 10

Vytora Health

Best for: Patients seeking month-to-month or 3-month-bundle compounded semaglutide or tirzepatide with the option of brand-name Mounjaro/Zepbound on a single LegitScript-approved + HIPAA-compliant platform with named pharmacy partners and transparent operating-PC disclosure. Particularly suited for patients in KS, LA, MS, NM, WV where Vytora's audio-visit option satisfies state telehealth compliance.

★★★★4.4

Editorial score · methodology

$150/mo
CompoundedSemaglutideTirzepatideMounjaroZepbound
Get StartedRead full Vytora Health review →
8.6/ 10

Enhance MD

Best for: lab-monitored compounded GLP-1 with mandatory video visit

★★★★4.3

Editorial score · methodology

$49/mo
CompoundedSemaglutideTirzepatide
Get StartedRead full Enhance MD review →
8.6/ 10

Noom Med

Best for: psychology + medication combo

★★★★4.3

Editorial score · methodology

$99/mo
Compounded
Get StartedRead full Noom Med review →

Cost Comparison

Starting prices for compounded GLP-1 medications from top providers, sorted cheapest first. Compounded semaglutide from licensed 503A and 503B pharmacies is legal under federal compounding law[7], with additional tolerances historically allowed while the molecule has appeared on the FDA Drug Shortage List[8]. Both compounded and brand-name prescriptions are generally FSA/HSA eligible under IRS Publication 502[9]. Prices may vary based on dose and promo availability.

ProviderStarting Price
EverFit Medical$0/moVisit
Lumen Meds$0/moVisit
WellMedRx$0/moVisit
YOURx Health$0/moVisit
AM Rx$25/moVisit
Calibrate Health$25/moVisit
FitRx$25/moVisit
Roen Rx$25/moVisit
Enhance MD$49/moVisit
Bliv$58/moVisit
Primary Clinic (Direct GLP)$65/moVisit
Boston Medical Group$66/moVisit
OrderlyMeds$74/moVisit
Ivim Health$75/moVisit
Green Cap Health$79/moVisit
Loop Health$79/moVisit
Alloy$80/moVisit
Maximus$80/moVisit
Oak$80/moVisit
WeightRx$83/moVisit
Pomegranate Health$90/moVisit
Ondra Health$93/moVisit
Lavender Sky Health$95/moVisit
Alan Meds$99/moVisit
Embody$99/moVisit
Factor Health MD$99/moVisit
HeliMeds$99/moVisit
Joi + Blokes$99/moVisit
Maves (Homera Health)$99/moVisit
MyFastRx$99/moVisit
Noom Med$99/moVisit
Strut Health$99/moVisit
Trimi Health$99/moVisit
Vitara RX$99/moVisit
YourEra$99/moVisit
RxPros$99.99/moVisit
AmberHealth$100/moVisit
Care Clinics$100/moVisit
Framework$100/moVisit
NewSelf$100/moVisit
Queen RX$100/moVisit
Priority Meds$113/moVisit
Cielo$115/moVisit
Elara Health and Wellness$117/moVisit
Mint Med$117/moVisit
GobyMeds$119/moVisit
Try Ageless$119/moVisit
Ark Health$125/moVisit
Nova MD$125/moVisit
Zeuss$125/moVisit
Midi Health$128/moVisit
Alternate Health Club$129/moVisit
Found$129/moVisit
Peak Wellness$129/moVisit
Gimme Care$130/moVisit
Actin$133/moVisit
Fresh Day Meds$133/moVisit
HelloWellness$133/moVisit
LumiMeds$133/moVisit
PeterMD$135/moVisit
Piper$135/moVisit
Mochi Health$138/moVisit
BeyondMD$139/moVisit
Regenics$139/moVisit
Velvet Rx$139/moVisit
Ivologist$145/moVisit
NexLife$145/moVisit
Yucca Health$146/moVisit
TeleHealth Med$147/moVisit
Healthicare$148/moVisit
altRX$149/moVisit
CoreAge Rx$149/moVisit
Curex$149/moVisit
DudeMeds$149/moVisit
Heva Health$149/moVisit
Nalena$149/moVisit
NativeMed$149/moVisit
Obu Health$149/moVisit
PlushCare$149/moVisit
Precision Telemed$149/moVisit
Tonik Wellness$149/moVisit
Tyde Wellness$149/moVisit
NP2GO$150/moVisit
OnlineSemaglutide.org$150/moVisit
Vytora Health$150/moVisit
HealthOn$155/moVisit
Injectco$156/moVisit
NuvaHealth$159/moVisit
Effecty$160/moVisit
Fella Health$165/moVisit
Get Thin MD$169/moVisit
PeptidesRx$169/moVisit
Novi$174/moVisit
Ivy Rx$175/moVisit
Elevated Health$176/moVisit
Amble$179/moVisit
Bodybuilding Health+$179/moVisit
Claya$179/moVisit
Gala$179/moVisit
HydraMed$179/moVisit
Liv Body$179/moVisit
MEDVi$179/moVisit
Nurx$179/moVisit
ReadyRx$179/moVisit
Sunlight$179/moVisit
Vaylen$179/moVisit
Eden$189/moVisit
WePeptideRx$189/moVisit
Eve$195/moVisit
RNK Health$197/moVisit
AgelessRx$199/moVisit
AMP Health$199/moVisit
BetterMe Rx$199/moVisit
Breeze Meds$199/moVisit
Care Bare Rx$199/moVisit
Concierge MD LA$199/moVisit
FuturHealth$199/moVisit
Hers$199/moVisit
Hims$199/moVisit
InstaRX$199/moVisit
Invigor Medical$199/moVisit
Joey Med$199/moVisit
Kin Meds$199/moVisit
MangoRx$199/moVisit
NiceRx$199/moVisit
NovoCare Pharmacy$199/moVisit
PauseRX$199/moVisit
Sesame$199/moVisit
ShedRx$199/moVisit
SkinnyRx$199/moVisit
Spry$199/moVisit
Synergy Rx$199/moVisit
TMates$199/moVisit
TrimRx$199/moVisit
Fitish$219/moVisit
Wisp$225/moVisit
Levers Health$246/moVisit
Direct Meds$249/moVisit
Henry Meds$249/moVisit
Independent Wellness$249/moVisit
Sprout Health$249/moVisit
WeightCare$249/moVisit
Arc-1$250/moVisit
Freya Meds$250/moVisit
GetRelief Rx$269/moVisit
Cost Plus Drugs$279/moVisit
Zealthy$286/moVisit
Lyfe Rx$289/moVisit
ReflexMD$297/moVisit
Corsica Health$299/moVisit
Mint Medical Clinic$299/moVisit
MyStart Health$299/moVisit
Remedy Meds$299/moVisit
Super Healthy Rx$299/moVisit
Vyora Wellness$299/moVisit
Willow$299/moVisit
K Health$300/moVisit
Lemonaid Health$348/moVisit
Mojoon$450/moVisit
Push Health$950/moVisit
T2D.com$999/moVisit
Navio MD$1199/moVisit
NowPatient$1349/moVisit
Form Health$1350/moVisit

Deep-dive articles from our research desk with primary-source trial data, FDA label verification, and editorial analysis.

Sauna vs Steam Room for Weight Loss: Honest Evidence Review
The honest answer is neither. Both produce ~0.5-1 kg of transient water-weight loss per 20-30 min session that returns within 24 h of rehydration. Real cardiovascular and recovery benefits exist; fat-loss benefits do not. GLP-1 dehydration risk is the load-bearing safety concern.
12 min read9 citations
How to Break a Weight-Loss Plateau: Honest Evidence Review
Weight-loss plateaus are predictable physiology — adaptive thermogenesis drops REE 15-20% below predicted and NEAT declines unconsciously. Six evidence-graded interventions (diet break, protein, resistance training, sleep, TDEE math, GLP-1 dose change) break most in 2-4 weeks.
11 min read11 citations
Does Citalopram Cause Weight Loss? Honest Evidence Review
Citalopram (Celexa) is FDA-approved for MDD only — not weight loss. Short-term FDA label: −0.5 kg vs no change on placebo. Long-term: mild gain (~0.5–1.5 kg at 12 mo). 40 mg/day FDA dose cap for QT prolongation; 20 mg/day if >60, hepatic, or on CYP2C19 inhibitors.
10 min read13 citations
When To Drink Protein Shakes For Weight Loss? Honest Evidence Review
Timing is largely overrated. Schoenfeld 2013 meta-analysis (20 studies, 478 subjects): no timing effect on muscle outcomes when daily protein matched. Total daily dose dominates; breakfast and post-workout are the best satiety + muscle placements.
10 min read10 citations
Is Peanut Butter Good for Weight Loss? Honest Evidence Review
Nuanced yes — peanut butter is calorie-dense (~191 kcal per 2 tbsp) but high-protein and high-satiety. Alper-Mattes 2002 added 500 kcal/day of peanuts with no weight gain; Mozaffarian 2011 NEJM showed nuts -0.57 lb/4 yr. Portion control is the lever.
15 min read11 citations
Does Prozac Cause Weight Loss? Honest Evidence Review
Prozac (fluoxetine) is FDA-approved for MDD, OCD, panic, and bulimia — not weight loss. Short-term yes (~0.45 kg over 16 weeks per the FDA bulimia trial), long-term no: the acute weight effect plateaus or reverses by ~6 months per Goldstein 1994 and Serretti 2010.
12 min read9 citations

Frequently Asked Questions

Sources & methodology — as of May 2026
  1. 1.FDA — Wegovy (semaglutide) Approval History via Drugs@FDAU.S. Food & Drug Administration.
  2. 2.FDA — Ozempic (semaglutide) Prescribing Information via Drugs@FDAU.S. Food & Drug Administration.
  3. 3.STEP 1 Trial — Once-Weekly Semaglutide in Adults with Overweight or Obesity (Wilding JPH et al.)New England Journal of Medicine.PMID: 33567185.
  4. 4.SURMOUNT-5 Trial — Tirzepatide vs. Semaglutide Head-to-Head in Obesity (Garvey WT et al.)New England Journal of Medicine.PMID: 40334173.
  5. 5.SELECT Trial — Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes (Lincoff AM et al.)New England Journal of Medicine.PMID: 37952131.
  6. 6.ADA — Standards of Care in Diabetes (2025)American Diabetes Association.
  7. 7.FDA — Compounding and the 503A Pharmacy FrameworkU.S. Food & Drug Administration.
  8. 8.FDA — Drug Shortages Database (current shortage listings)U.S. Food & Drug Administration.
  9. 9.IRS Publication 502 — Medical and Dental Expenses (HSA/FSA eligibility)Internal Revenue Service.

Glossary references

Key terms in this article, linked to their canonical definitions.