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MetabolicLimited

AOD-9604

Anti-Obesity Drug 9604 · hGH fragment 176-191

A GH fragment marketed for fat loss without the blood-sugar effects of full growth hormone — though human trials have been underwhelming.

How it works

Represents the lipolytic C-terminal region of hGH. In adipocytes it stimulates lipolysis and inhibits lipogenesis without binding the GH receptor, so IGF-1 and glucose remain unaffected.

Structure: Fragment 176-191 of human growth hormone

Reported benefits

  • Fat mobilisation without IGF-1 elevation
  • No reported impact on insulin sensitivity
  • Good tolerability profile in trials

Practical considerations

  • Phase IIb trials failed to beat placebo for weight loss at 12 weeks
  • Popular in clinics despite weak efficacy data
  • Best viewed as adjunctive, not a primary fat-loss tool

Side effects and risks

  • Generally well tolerated
  • Occasional injection-site reaction
  • Headache

Dosing overview

Commonly cited at 300 mcg daily, 5 days on / 2 off

This describes doses reported in published literature and community protocols. It is not a recommendation, and it is not a substitute for clinical supervision.

Research references

  • Heffernan et al., 2001 — AOD-9604 and adipose tissue metabolism