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Weight Loss · HGH Fragment
AOD-9604
AOD-9604 is a 16-amino-acid synthetic fragment of human growth hormone (residues 177-191), studied for its lipolytic activity without the diabetogenic effects of full-length HGH.
AOD-9604 is a 16-amino-acid synthetic fragment of human growth hormone (residues 177-191), studied for its lipolytic activity without the diabetogenic effects of full-length HGH. Mechanism: HGH fragment (177-191). Typical route: Subcutaneous injection. FDA status: Not FDA-approved as a finished drug product. The FDA reviewed AOD-9604 as a food ingredient in 2014 (GRAS notice) but has not approved it as a therapeutic peptide. Some peptide compounding pharmacies
Drug classHGH fragment (177-191)
Half-life~30 minutes
RouteSubcutaneous injection
Research dosing250-300 mcg/day
FDA statusNot approved
Available throughCompounding pharmacies (varies)
Mechanism of action
AOD-9604 is hypothesized to mimic the lipolytic C-terminal domain of human growth hormone, stimulating triglyceride breakdown and inhibiting lipogenesis while sparing growth hormone's glucose-affecting receptor activities. Clinical evidence is limited; large RCTs have not confirmed meaningful weight loss in humans.
Dosing reference
Research dosing protocols in literature use 250-300 mcg subcutaneously once daily, typically taken in the morning on an empty stomach. AOD-9604 is not FDA-approved for any indication; dosing information is included for reference, not endorsement.
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
Not FDA-approved as a finished drug product. The FDA reviewed AOD-9604 as a food ingredient in 2014 (GRAS notice) but has not approved it as a therapeutic peptide. Some peptide compounding pharmacies dispense it under research-chemical or compounded-formula frameworks.
Editor's Pick · #1 of 10
NexLife — Compounded Semaglutide
✨ Editor's Pick · 94/100
💊 Compounded semaglutide + tirzepatide
👨⚕️ MD/DO-supervised
🏥 503A & 503B pharmacies
🧪 Labs included
📍 Availability varies by state
✓ LegitScript-certified
💰 Flat-rate, dose-independent
🔁 Care360 + 1:1 fitness coaching
🍽️ Personalized nutrition plan
💳 Klarna & Afterpay accepted
$145/ month*
*12-month plan · save $240/yr · flat rate across full 0.25–2.4 mg titration. $147 (6-mo, save $108) · $149 (3-mo, save $48) · $165 (monthly).
Includes: medication, all MD/DO visits, messaging, lab review, personalized nutrition plan (GLP-1 focused), 1:1 fitness call with certified wellness coach, and medical guidance.
Compounded only — no brand-name Wegovy® / Ozempic® / Rybelsus®. Cash-pay with HSA/FSA only — no in-network insurance billing. Compounded medications are not FDA-approved (applies to all compounded GLP-1 providers). Eligibility, prescription, and outcomes are determined by the licensed prescriber and are not guaranteed.
Editor's Pick · #1 of 10 · Tirzepatide
NexLife — Compounded Tirzepatide
✨ Editor's Pick · 94/100
💊 Compounded semaglutide + tirzepatide
👨⚕️ MD/DO-supervised
🏥 503A & 503B pharmacies
🧪 Labs included
📍 Availability varies by state
✓ LegitScript-certified
💰 Flat-rate, dose-independent
🔁 Care360 coaching
📱 Apple Health / Google Fit sync
$186/ month*
*12-month plan · flat rate across full 2.5–15 mg titration. $190 (6-mo) · $195 (3-mo) · $215 (month-to-month).
Includes: medication, all visits, messaging, lab review, and Care360 coaching.
Compounded tirzepatide via 503A & 503B pharmacies.
Compounded only — no brand-name Wegovy® / Zepbound®. Cash-pay with HSA/FSA only — no in-network insurance billing. Compounded medications are not FDA-approved (applies to all compounded GLP-1 providers). Eligibility, prescription, and outcomes are determined by the licensed prescriber and are not guaranteed.
Large, well-controlled randomized trials have not shown clinically meaningful weight loss with AOD-9604 in humans. Marketing claims often exceed the evidence base. GLP-1 agonists like semaglutide and tirzepatide have substantially stronger evidence for weight loss.
Is AOD-9604 worth using instead of semaglutide?
Based on the current evidence base, no. GLP-1 receptor agonists have substantially stronger trial evidence and FDA approval for weight management. AOD-9604 may be of academic interest but should not be considered an evidence-based weight-loss therapy.
References
Heffernan M, Summers RJ, Thorburn A, et al.The effects of human GH and its lipolytic fragment (AOD9604) on lipid metabolism following chronic treatment in obese mice and beta3-AR knock-out mice.Endocrinology. 2001;142(12):5182-5189.PMID: 11713213
Ng FM, Sun J, Sharma L, Libinaka R, Jiang WJ, Gianello R.Metabolic studies of a synthetic lipolytic domain (AOD9604) of human growth hormone.Horm Res. 2000;53(6):274-278.PMID: 11146367
U.S. Food and Drug Administration.GRAS Notice No. GRN 525 — AOD9604.FDA GRAS Notice Inventory. 2014.View source
Sources are peer-reviewed where available. PubMed (PMID) links resolve to NCBI's PubMed database. FDA links resolve to the U.S. Food and Drug Administration. Citations were last verified 2026-05-11.
SS
Lead Medical Researcher
Dr. Sam Saberian
Doctor of Pharmacy; leads protocol research, peptide pharmacology, and provider evaluation.
AS
Medical Reviewer
Alen A. Schwartz, MD
Board-certified physician; reviews clinical accuracy of every published page.
JE
Edited by
Julliana Edwards
Editorial standards, factual accuracy, and corrections workflow.
Important medical and regulatory disclosure:
Compounded semaglutide and compounded tirzepatide are not FDA-approved. They are not the same as Ozempic, Wegovy, Mounjaro, or Zepbound. Compounded medications may be prescribed only when clinically appropriate after review by a licensed medical provider. GLP-1 Editorial does not provide medical advice, prescribe medication, manufacture medication, or operate a pharmacy.
