PepVault › Peptides › Fragment 176-191
Fragment 176-191 — dosage, half-life & reference guide
Growth hormone peptide · also known as HGH Fragment 176-191, HGH Frag, AOD Fragment
A stabilized fragment of the growth hormone molecule (amino acids 176-191) that specifically targets fat cells. It stimulates fat breakdown through beta-3 adrenergic receptors without affecting blood sugar, IGF-1, or muscle growth. More fat-selective than AOD-9604 despite their structural similarity.
Commonly-researched dose ranges
Fragment 176-191 is commonly researched at 250–500 mcg, daily, split into 2 doses, fasted, by SubQ injection. These are reference ranges from the literature and community use, not a prescription.
Half-life
Estimated half-life: ~30 min. See how it accumulates in the half-life calculator.
Safety & interactions
Commonly reported effects: injection site reactions, generally well tolerated, mild flushing. Discuss with your clinician.
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