32.8 F

AOD-9604

Also known as: AOD9604, hGH Fragment 176-191

Emerging Research Category 2 Restricted

Overview

AOD-9604 is a modified fragment of human growth hormone (hGH), specifically amino acids 176-191. It is often referred to as a growth hormone fragment, but it is not bioidentical to hGH and does not possess the same full spectrum of effects. The purported mechanism of action revolves around mimicking hGH's lipolytic (fat-burning) effects and inhibiting lipogenesis (fat storage), without affecting blood sugar or growth. This selectivity is the primary reason for its development as a potential weight-loss agent.

The research landscape surrounding AOD-9604 is limited and primarily preclinical. While some in vitro and animal studies suggest potential for fat reduction, the evidence is not robust and often lacks direct translation to human physiology. For example, one study investigated the effect of intra-articular injections of AOD-9604, with and without hyaluronic acid, in a rabbit osteoarthritis model, but this research does not address the peptide's purported weight-loss effects in humans. Another study explored the peptide's interaction with doxorubicin-loaded chitosan nanoparticles against MCF-7 breast cancer cells, indicating potential research avenues outside of weight management, but also highlighting potential interactions with other pharmaceuticals. Crucially, there are no published, peer-reviewed clinical trials demonstrating the efficacy and safety of AOD-9604 in humans for weight loss or any other indication. The absence of such trials is a significant factor in its low trust score.

The safety profile of AOD-9604 is not well-established due to the lack of comprehensive clinical trials. While the FDA adverse event reporting system shows zero reports, this is likely due to its unregulated status and limited use within the formal medical system, rather than an indication of inherent safety. The absence of reported adverse events should not be interpreted as proof of safety. The limited research available raises concerns about potential long-term effects, drug interactions, and individual variability in response.

AOD-9604 is currently unregulated in many jurisdictions, meaning its production, distribution, and sale are not subject to the same stringent oversight as FDA-approved pharmaceuticals. It is classified as a Category 2 substance, prohibiting it from being compounded by pharmacies. This lack of regulation raises concerns about product quality, purity, and accurate labeling. Consumers purchasing AOD-9604 from unregulated sources face a significant risk of receiving adulterated or mislabeled products.

The primary users of AOD-9604 are individuals seeking weight loss or body composition changes. It is often marketed online as a "fat burner" and is popular within certain fitness and bodybuilding communities. However, it's crucial to emphasize that the use of AOD-9604 for these purposes is based on limited and inconclusive scientific evidence. The lack of regulatory oversight and the potential for product variability further compound the risks associated with its use.

Given the limited research, unregulated status, and potential risks, the future of AOD-9604 hinges on further investigation and potential regulatory action.

Evidence Breakdown

17 studies analyzed
3 Animal2 In Vitro110 Review

Research Timeline

500–04405–09510–14215–1912020+Studies

Research spans 2001–2022

Score Profile

EvidenceSafetyDesignDepthRecency32.8/ 100F

0 Clinical Trials

No clinical trials registered for this peptide.

17 Research Papers

Showing 5 of 17 papers by citation count.

FDA Data

Not FDA-Approved

AOD-9604 has not been evaluated by the FDA for safety or efficacy. It is not approved for human therapeutic use in the United States.

This peptide is classified as FDA Category 2 β€” it is prohibited from use in compounding pharmacies effective 2024. Obtaining it requires unregulated sources.

Use Cases

Clinics Offering AOD-9604

All clinics →

Peptide therapy clinics in the CheckPeptides US directory that reference AOD-9604 or overlap with its common use cases. Sorted by Google review volume and rating.

Frequently Asked Questions

How does AOD-9604 supposedly promote weight loss, and is it similar to how growth hormone works?
AOD-9604 is a modified fragment of human growth hormone (hGH) that targets fat metabolism. It's believed to stimulate lipolysis (fat breakdown) and inhibit lipogenesis (fat formation) without the growth-promoting effects of full hGH. While it interacts with similar pathways, it's designed to avoid affecting blood sugar or cartilage growth, which are concerns with hGH. However, with a trust score of only 30/100, the efficacy and safety claims require careful scrutiny, especially since it's not FDA approved.
Given that AOD-9604 is listed as 'Category 2 banned,' what does this mean for its legality and use in sports or research?
Being 'Category 2 banned' signifies that AOD-9604 is prohibited by certain sporting organizations and regulatory bodies. This typically means it's considered a performance-enhancing substance. While research is still possible, obtaining and using it may be restricted depending on your location and the specific regulations of the governing bodies involved. Always check local laws and guidelines before acquiring or using AOD-9604. The low trust score of 30/100 should also raise concerns about its reliability and potential risks.
What are the most significant safety concerns associated specifically with AOD-9604, considering it's not FDA approved?
Since AOD-9604 is not FDA approved, its safety profile is not fully established. Potential concerns include unknown long-term effects, variability in product quality, and potential interactions with other medications. While some studies suggest it's relatively well-tolerated, the limited data and lack of regulatory oversight mean that users should proceed with extreme caution. Given the low trust score of 30/100, the potential for adverse effects should be carefully considered and discussed with a healthcare professional.
How does AOD-9604 compare to other weight loss peptides or alternatives like CJC-1295/Ipamorelin in terms of effectiveness and safety?
Unlike CJC-1295/Ipamorelin, which stimulate growth hormone release, AOD-9604 directly targets fat metabolism. While both are used for body composition improvements, AOD-9604 is promoted as not affecting growth hormone levels directly. However, its efficacy and safety are less well-documented than some other peptides. Given its 'Category 2 banned' status and low trust score of 30/100, alternatives with better-established safety profiles and regulatory approval might be preferable, depending on your goals and risk tolerance. Consult with a medical professional for personalized advice.
If I'm planning to conduct research using AOD-9604, what are some critical considerations given its low trust score and lack of FDA approval?
Researchers using AOD-9604 should prioritize rigorous quality control and sourcing from reputable suppliers to mitigate the risks associated with its low trust score (30/100). Due to the lack of FDA approval, ensure comprehensive ethical review board approval and informed consent processes. Thoroughly document all adverse events and monitor subjects closely. Given the 'Category 2 banned' status, be aware of potential restrictions on publication or collaboration, and ensure compliance with all applicable regulations. The 21 research papers available may offer some guidance, but further investigation is warranted.

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Last verified: April 18, 2026

Quick Facts

Classification
Growth hormone fragment
Molecular Weight
1815.1 Da
Regulatory Status
N/A

Score Breakdown

Evidence Quality (30%)
0
Safety Profile (25%)
50
Study Design (20%)
4
Research Depth (15%)
90
Research Recency (10%)
60

Evidence Summary

Clinical Trials
0
Research Papers
17
Trust Score
32.8/100
Grade
F

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