The Peptide Guide logoPeptide GuideHGH-191AA

HGH-191AA

MuscleRecovery

HGH-191AA is recombinant somatropin, the intact growth hormone used in approved deficiency treatment and studied for body composition.

What does it do?

  • Raises growth hormone directly
  • Supports muscle fullness, recovery, and lean mass

How does it work?

  • Supplies intact growth hormone instead of asking the pituitary for it
  • GH then raises IGF-1 and turns on repair and growth pathways

What to expect?

  • Sleep and recovery often improve within weeks
  • Muscles can look fuller from water and glycogen

How it's typically administered

  • Sub-Q injectionstandard route
  • Intramuscular injectionused in some protocols

How it's typically dosed

  • Most common dose1–2 IU
  • FrequencyOnce daily
  • Cycle duration8–16 weeks or clinician directed