← Back to Library

HGH Fragment 176-191

Also known as: Frag 176-191, HGH Frag, AOD-9604 precursor

Evidence: PreliminaryRisk: Low
Administration:💉 SubQ

Overview

A modified fragment of human growth hormone (amino acids 176-191) that was researched for its potential fat-reducing effects without the growth-promoting properties of full HGH. Closely related to AOD-9604.

Benefits

  • fat metabolism support
  • body composition
  • weight management
  • lipolysis

Potential Side Effects

  • injection site reactions
  • mild headache
  • lightheadedness
  • temporary fatigue

Who Should Avoid

  • pregnancy or breastfeeding
  • active malignancy
  • severe metabolic disorders without medical supervision

Interactions & Precautions

Limited interaction data. May affect fat metabolism. Discuss with clinician if taking diabetes medications, thyroid medications, or other metabolic therapies.

Dosing Information from Literature

Research protocols have explored doses ranging from 250-500 mcg administered once or twice daily, typically on an empty stomach before exercise or in the morning.

This is descriptive information only. Always consult a licensed healthcare provider for dosing guidance.

Storage

Store unreconstituted peptide in freezer (-20°C or colder). After reconstitution with bacteriostatic water, store refrigerated and use within 2-3 weeks.

Last reviewed: 11/3/2025