AICARAICAR
AMPK-activating nucleotide mimetic that enhances cellular energy metabolism and endurance capacity.
Available Forms
Key Benefits
Overview
AICAR (5-aminoimidazole-4-carboxamide ribonucleotide) is a potent pharmacological activator of AMP-activated protein kinase (AMPK), often referred to as the master regulator of cellular energy homeostasis. By mimicking AMP accumulation within cells, AICAR triggers AMPK phosphorylation, which initiates a cascade of metabolic adaptations including increased fatty acid oxidation, enhanced glucose uptake, and mitochondrial biogenesis. Research conducted at the Salk Institute demonstrated that AICAR administration in sedentary mice produced endurance improvements comparable to exercise training, earning it the colloquial label of 'exercise in a pill.' The compound has shown promise in preclinical models for improving insulin sensitivity, reducing hepatic lipid accumulation, and protecting against ischemic cardiac injury. AICAR's ability to reprogram skeletal muscle toward an oxidative phenotype without physical activity makes it a significant focus in metabolic disease, longevity, and exercise physiology research.
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