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№ 017

AOD-9604

A fat-loss peptide. It's a modified fragment of HGH (residues 176-191) that targets fat metabolism without the full GH side effect profile.

Fat Loss
Evidence: Limited

AOD-9604: A fat-loss peptide. It's a modified fragment of HGH (residues 176-191) that targets fat metabolism without the full GH side effect profile. AOD-9604 is a fragment of HGH designed to target fat metabolism without the bulky GH side effects.

FDA ⓘ
Not approved
WADA
Banned
Typical dose
250-500 mcg sub-q daily
Half-life ⓘ
~30 minutes
Route ⓘ
Subcutaneous
Schedule
Once daily, fasted
In plain English

AOD-9604 is a fragment of HGH designed to target fat metabolism without the bulky GH side effects. Subtle compared to the GLP-1 drugs. Mostly used as a stack add-on during a cut, not as a primary fat-loss tool.

Status & legalityWhat do these mean? →
Natty? ⓘ
Not natty
FDA ⓘ
Not approved

Not FDA approved. Failed Phase 2 obesity trial.

Compounding ⓘ
Category 1

Compounding pharmacies may prepare under physician prescription (post Feb 2026 reclassification, pending formal FDA publication).

WADA ⓘ
Banned (S2)
Prescribed ⓘ

Not prescribed in conventional medicine.

Who it's for

  • →Users wanting localized fat-loss support
  • →People who can't tolerate GH-class side effects (water, glucose impact)
  • →Stacks layered onto a clean cut

What to expect

  1. Week 1

    Nothing dramatic. Subtle appetite shift.

  2. Week 4

    Subtle body comp changes for users running it alongside a diet.

  3. Week 8

    Plateau. Take a break.

Looking at AOD-9604? Your next 3 steps

  1. 1Work out your syringe units

    Vial size + BAC water turns into the exact units to draw for AOD-9604.

    Open calculator →
  2. 2See what to stack & monitor

    The companion supplements and the bloodwork worth tracking on this kind of protocol.

    Bloodwork guide →
  3. 3Save it & ask the Coach

    A free account saves your stack; membership adds the stack-aware AI Coach.

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How it works (mechanism)

Fragment of HGH (residues 176-191) that retains lipolytic (fat-burning) activity but lacks the residues responsible for IGF-1 stimulation, water retention, and insulin resistance.

Dosing protocol

Members only

Stacks well with

Members only

Side effects

01Mild injection-site irritation
02Rare: headache, fatigue

When NOT to use

  • ⚠Active malignancy
  • ⚠Pregnancy / nursing

Common mistakes

  • • Expecting GLP-class results (it isn't that potent)
  • • Dosing post-meal (blunts the fat-mobilization effect)
  • • Running it without diet alignment
Free, no account needed

New to AOD-9604? Grab the starter checklist.

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AI Coach, live sample
Members only
is 250mcg of bpc enough for a knee injury?
For a knee, 250 mcg sub-q daily is the standard working dose and a solid place to start. The trick with BPC is consistency, give it weeks, not days. Inject close to the joint, run it 4-6 weeks, and don't drop below 200 mcg, it tends to stop cracking the threshold reliably down there. If it hasn't moved at all by week 3, that's when adding TB-500 earns its place.
how much bac water for a 10mg reta vial?
3 mL is the standard play for a 10 mg reta vial. That's 3,333 mcg/mL, clean unit math across the titration: 2 mg = 60 units, 4 mg = 120 units, 6 mg = 180 units on a 100-unit insulin syringe. Run 2 mL instead if you want fewer, more concentrated shots (5,000 mcg/mL, so 2 mg = 40 units). Since most people titrate up over ~12 weeks, 3 mL keeps the numbers cleanest.
what should i track on bloodwork for tirzepatide?
Lipid panel, ALT/AST (liver enzymes), and an A1C, baseline before you start then every 3 months. If you've got metabolic-syndrome history, add fasting glucose and insulin so you can actually watch insulin sensitivity improve. You don't need a big hormone panel for a GLP-1.

Ask the Coach anything about AOD-9604 or your own stack. This is it working.

Trained only on Pepdex content. Does the dose math, flags interactions, knows your stack. Won't push vendors, won't pretend to be a doctor.

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Frequently asked

What is AOD-9604?+
AOD-9604 is a fragment of HGH designed to target fat metabolism without the bulky GH side effects. Subtle compared to the GLP-1 drugs. Mostly used as a stack add-on during a cut, not as a primary fat-loss tool.
Is AOD-9604 FDA approved?+
Not FDA approved. Failed Phase 2 obesity trial.
Is AOD-9604 legal?+
AOD-9604 is not FDA-approved. It is sold by compounding pharmacies (with a prescription) and as "research only" by peptide vendors. Possession is generally not criminalized but distribution without authorization may be. Verify local laws.
Is AOD-9604 banned by WADA?+
AOD-9604 is on the WADA prohibited list under Banned (S2).
Are you still natty after taking AOD-9604?+
No. AOD-9604 is a performance-enhancing peptide and would disqualify a strict natty claim.
Do doctors prescribe AOD-9604?+
Not prescribed in conventional medicine.
What's the typical dose of AOD-9604?+
Dosing depends on your goal, experience, and tolerance. The full AOD-9604 protocol (dose, frequency, and how to titrate) is in the members section on the entry page.
What are the side effects of AOD-9604?+
Common side effects include: Mild injection-site irritation; Rare: headache, fatigue. Less common effects and full safety details are on the entry page.
How long until AOD-9604 starts working?+
Nothing dramatic. Subtle appetite shift.
What can you stack with AOD-9604?+
AOD-9604 is commonly combined with complementary compounds. The full stacking protocol (what to pair, dosing, and timing) is in the members section on the entry page.
Where do people get AOD-9604?+
Pepdex does not sell, ship, or recommend suppliers. AOD-9604 is not FDA-approved; prescription versions require licensed clinical care, and "research only" markets carry real legal and quality risks. /coa explains how to verify a Certificate of Analysis and /guides/scam-vendor-spotting covers the red flags.
AOD-9604 vs Tesamorelin, which is better?+
How AOD-9604 and Tesamorelin compare on research category, evidence tier, regulatory status, and reported side effects. Full head-to-head comparison: https://pepdex.co/compare/aod-9604-vs-tesamorelin
AOD-9604 vs HGH Fragment 176-191, which is better?+
AOD-9604 vs HGH Fragment 176-191: two HGH-derived fat-loss peptides. Mechanism overlap and practical differences. Full head-to-head comparison: https://pepdex.co/compare/aod-9604-vs-hgh-frag-176-191

Head-to-head with AOD-9604

Compare
AOD-9604 vs Tesamorelin →
Compare
AOD-9604 vs HGH Fragment 176-191 →

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