New — Free Peptide Starter Guide (2026): 13 chapters, 34 cited studies

Get it free
ToolsCompareAdamax vs HGH Fragment 176-191

Adamax vs HGH Fragment 176-191

Side-by-side comparison of key properties, dosing, and research.

Cognitive Enhancement
Adamax
Fat Loss & Metabolic
HGH Fragment 176-191
Summary
Adamax is a synthetic neuropeptide related to brain-derived neurotrophic factor (BDNF) signaling pathways. It is explored for cognitive enhancement, neuroprotection, and mood support, with proposed mechanisms involving TrkB receptor activation and enhancement of neuroplasticity similar to endogenous BDNF.
HGH Fragment 176-191 (also known as AOD-9604) is a stabilized, modified fragment of the human growth hormone molecule corresponding to amino acids 176–191 with an addition of a tyrosine residue at the N-terminus. It retains HGH's fat-burning properties without the anabolic, diabetogenic, or IGF-1-stimulating effects.
Half-Life
Estimated 1-3 hours (short; peptide degradation)
~30 minutes
Admin Route
Subcutaneous, Intranasal (research)
SubQ
Research
Typical Dose
200-400 mcg per dose
250–500 mcg
Frequency
Once daily or every other day
1–3 times daily
Key Benefits
  • Proposed enhancement of learning and memory consolidation
  • Neuroprotective via BDNF-TrkB pathway support
  • May improve mood and resilience to stress
  • Potential support for neurogenesis
  • Cognitive clarity and focus enhancement (reported anecdotally)
  • Explored for neurodegeneration and age-related cognitive decline
  • Selective fat burning without anabolic side effects
  • Reduces visceral and subcutaneous fat
  • No insulin resistance or blood glucose disruption
  • Does not stimulate IGF-1
  • May support cartilage and bone repair (at higher doses)
  • No effect on growth or organ size
Side Effects
  • Limited human safety data; largely anecdotal reports
  • Possible headache or mild overstimulation
  • Sleep disruption with late-day dosing
  • Unknown long-term safety profile
  • Injection site irritation
  • Temporary lethargy
  • Headache (rare)
  • Nausea (rare)
Stacks With