AICAR vs Hexarelin

Head-to-head comparison of AICAR (5-Aminoimidazole-4-carboxamide Ribonucleotide (Acadesine)) and Hexarelin (Growth Hormone Releasing Hexapeptide) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyAICARHexarelin
CategoryPerformancePerformance
Full Name5-Aminoimidazole-4-carboxamide Ribonucleotide (Acadesine)Growth Hormone Releasing Hexapeptide
Molecular Weight338.21 g/mol887.04 Da
Half-Life~2-3 hours~70 minutes
Amino AcidsNucleoside analog6
Typical Dose100-200 mcg
RouteSC / IV
Purity>99%
Studies Count180198
Research StatusActive ResearchClinical Trials

AICAR Benefits

  • Increases endurance capacity, enhances fatty acid oxidation, promotes mitochondrial biogenesis, improves glucose uptake, cardioprotective effects

Hexarelin Benefits

  • Strongest GH pulse among GHRPs
  • Cardioprotective effects
  • Muscle mass and strength gains
  • Fat loss through improved body composition
  • Enhanced recovery from training

AICAR Dosing

Research doses: 50-150 mg subcutaneously. Typically administered 30-60 minutes before physical activity in research settings.

Hexarelin Dosing

Standard: 100-200 mcg SC 2-3 times daily|Pre-workout: 100 mcg 30 min before training|Pre-bed: 100 mcg for overnight GH pulse|Cycle: 8-12 weeks then 4 week break (desensitization)

AICAR Side Effects

  • Potential hypoglycemia, lactic acidosis at high doses, injection site reactions. Banned by WADA as a metabolic modulator.

Hexarelin Side Effects

  • Common: Increased appetite, water retention, tingling
  • Moderate: Cortisol and prolactin elevation (dose-dependent)
  • Notable: Desensitization occurs after 4-16 weeks of continuous use
  • Rare: Numbness in extremities

Research Overview

AICAR

Salk Institute researchers demonstrated AICAR could increase endurance in sedentary mice by 44% without exercise training. Activates AMPK, triggering PGC-1α expression, mitochondrial biogenesis, and enhanced fatty acid β-oxidation.

Hexarelin

Hexarelin has extensive pre-clinical and clinical evidence. Multiple human studies confirm potent GH release. Unique cardioprotective properties are well-documented. Note that receptor desensitization limits long-term continuous use.

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Common Stacking Partners

AICAR stacks with:

MOTS-cGW501516

Hexarelin stacks with:

CJC-1295BPC-157Ipamorelin
AMPK-activatorenduranceexercise-mimeticfat-oxidationcardioprotectiveGH ReleaseCardioprotectivePerformanceMuscle Growth