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Research only·Modified GH fragment (basis for AOD-9604)

HGH Fragment 176-191

Education only. Many compounds discussed are research chemicals not approved for human use in the US. This is not medical advice — consult a licensed physician.

What it is

Unmodified parent fragment of growth hormone (residues 176-191). AOD-9604 is the stabilized commercial version. Marketed for fat loss; clinical data is thin.

How it works

Hypothesized to stimulate lipolysis without IGF-1 effects. Animal data is mixed; human data is minimal.

What the research says

Most evidence from rodent models. Human translation of the fat-loss claims has not been validated in published RCTs.

Sources: PubMed: GH fragment 176-191

Common dosing ranges

Range
300–500 mcg/day common
Frequency
Daily, AM fasted
Duration
8–12 week cycles

Sources: PubMed

Administration

SubQ

Half-life

~30 minutes

Side effects

Common

  • Reportedly minimal

Serious / theoretical

  • Unknown long-term

Sources: PubMed