Modified hGH 176-191 fragment (lipolytic)
AOD-9604
Research use only
Written by pep4U Editorial Team · Last reviewed July 8, 2026
Synthetic fragment of growth hormone's fat-metabolism tail, stabilized with an added tyrosine; studied for fat loss.
| Class / type | Modified hGH 176-191 fragment (lipolytic) |
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| Category | Metabolic & Weight |
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| Status (Jul 2026) | Research use only |
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How it works
Believed to mimic hGH's lipolytic action (stimulates hormone-sensitive lipase, inhibits acetyl-CoA carboxylase) WITHOUT raising IGF-1.
Known / used for
Obesity / fat reduction; cartilage/osteoarthritis research.
Positives
Preclinical fat-oxidation/weight loss; theoretically avoids hGH blood-sugar and growth side effects.
Negatives & risks
Human efficacy inconsistent/unproven; not approved; limited long-term safety; gray-market purity risk.
What people like most (reported community sentiment - not endorsement)
Idea of 'targeted' fat loss without systemic HGH effects; described as mild/well-tolerated anecdotally.
Frequently asked questions
What is AOD-9604?
Synthetic fragment of growth hormone's fat-metabolism tail, stabilized with an added tyrosine; studied for fat loss. Believed to mimic hGH's lipolytic action (stimulates hormone-sensitive lipase, inhibits acetyl-CoA carboxylase) WITHOUT raising IGF-1.
What is AOD-9604 used or researched for?
Obesity / fat reduction; cartilage/osteoarthritis research.
Is AOD-9604 FDA-approved or legal?
NOT FDA-approved. FDA Category 2 bulk substance (compounding restricted). Research-use-only. Same fragment family as HGH Frag 176-191.
What are the main risks or downsides of AOD-9604?
Human efficacy inconsistent/unproven; not approved; limited long-term safety; gray-market purity risk.
Legal / regulatory status
NOT FDA-approved. FDA Category 2 bulk substance (compounding restricted). Research-use-only. Same fragment family as HGH Frag 176-191.
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