hGHRH(1-32)NH2 vs Anamorelin

Head-to-head comparison of hGHRH(1-32)NH2 (Human growth hormone-releasing factor (1-32) amide) and Anamorelin (Anamorelin hydrochloride (ONO-7643)) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyhGHRH(1-32)NH2Anamorelin
CategoryGrowth HormoneGrowth Hormone
Full NameHuman growth hormone-releasing factor (1-32) amideAnamorelin hydrochloride (ONO-7643)
Molecular WeightN/AN/A
Half-Life5-15 minutesabout 9 hours
Amino Acids32N/A
Typical Dose0.1-1 mcg/kg50 mg/day
RouteSubcutaneous/IVOral
Purity≥98%≥98%
Studies Count5095
Research StatusClinical ResearchClinical

hGHRH(1-32)NH2 Benefits

  • GH pulse induction
  • core-sequence testing
  • receptor signaling studies
  • protease-resistance comparisons

Anamorelin Benefits

  • stimulates appetite
  • raises IGF-1
  • may support weight gain
  • oral dosing

hGHRH(1-32)NH2 Dosing

0.1-1 mcg/kg SC or IV bolus|acute GH-response testing with timed blood draws|pulsatile dosing in receptor studies

Anamorelin Dosing

50 mg orally once daily|often studied with food or per protocol|track weight, appetite, and glucose markers

hGHRH(1-32)NH2 Side Effects

  • headache
  • flushing
  • injection-site irritation

Anamorelin Side Effects

  • hyperglycemia
  • peripheral edema
  • constipation or nausea

Research Overview

hGHRH(1-32)NH2

Human GHRF(1-32)NH2 is used in basic and translational studies to evaluate how the active N-terminal region of GHRH drives pituitary hormone release. It helps define the lower bound of sequence length needed for meaningful biological activity.

Anamorelin

Trials in cachexia populations showed increased appetite and modest gains in body weight and IGF-1. Regulatory progress has varied by region, but it remains a well-studied ghrelin agonist in the GH space.

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Common Stacking Partners

hGHRH(1-32)NH2 stacks with:

L-arginineL-ornithineglycine

Anamorelin stacks with:

Nutritional supportResistance training
ghrhactive-corepituitarypeptide-fragmentghrelin-agonistcachexiagh-secretagogue