AICAR (5-Aminoimidazole-4-carboxamide ribonucleotide), also known in clinical literature as acadesine, from Super Human Peptides UK is a highly advanced, synthetic ribonucleotide. While often grouped with metabolic peptides, it is technically a small molecule that acts as an analog of cellular AMP (Adenosine Monophosphate). In laboratory research, AICAR serves as the premier "exercise mimetic" model.
Researchers utilize this compound because it is capable of freely entering cells and directly activating AMP-activated protein kinase (AMPK)—the master metabolic switch that usually only turns on when a cell is completely depleted of energy through intense physical exertion. By tricking the body into believing it is in a state of extreme caloric deficit and physical stress, AICAR forces cells to massively up-regulate lipid oxidation (fat burning) and triggers profound mitochondrial biogenesis. Produced under GMP-compliant conditions and verified for 99% purity or higher, AICAR is an elite tool for advanced preclinical research into metabolic syndrome, extreme endurance modeling, and ischemic heart disease.
- —AMPK Activator: Directly binds to and activates AMP-activated protein kinase without the need for physical exertion or cellular energy depletion.
- —Exercise Mimetic: Replicates the complex physiological and metabolic changes typically only achieved through prolonged cardiovascular endurance training.
- —Mitochondrial Biogenesis: Stimulates the creation of new mitochondria in muscle tissue, drastically increasing the oxidative capacity of the cells.
- —Ischemic Protection: Heavily studied for its ability to protect cardiac tissue from hypoxic damage during periods of severe blood flow restriction.
- —High Purity: 99% purity or higher (verified by HPLC and MS analysis).
- —Quality Standard: GMP / ISO certified manufacturing.
- —Endurance and Stamina Modeling: Preclinical investigation into the massive, rapid enhancement of running capacity and physical stamina in entirely sedentary subjects.
- —Cellular Energy Homeostasis: Studying the intracellular signaling cascades triggered when the AMPK pathway is pharmacologically locked into the "on" position.
- —Lipid Oxidation: Measuring the accelerated breakdown of stored visceral and subcutaneous fat, as cells are forced to switch from glucose to fatty acids for their primary fuel source.
- —Ischemic Stroke and Myocardial Infarction: Researching the compound's ability to preserve cellular integrity and prevent apoptotic cell death when tissues are deprived of oxygen.
- —Glucose Uptake: Evaluating the insulin-independent uptake of glucose into skeletal muscle tissue, providing baseline models for advanced Type 2 Diabetes therapies.
AICAR achieved legendary status in the scientific community following groundbreaking research at the Salk Institute, led by Dr. Ronald Evans. His team was investigating the genetic pathways of endurance and muscle fiber composition.
In their landmark 2008 study published in Cell, the researchers administered AICAR to completely sedentary, unexercised mice for four weeks. The results were staggering: the unexercised mice exhibited a 44% increase in running endurance compared to control subjects, alongside massive increases in mitochondrial density and the expression of fat-burning genes. The study definitively proved that the metabolic benefits of exercise could be chemically "hacked" via AMPK activation.
Beyond endurance, further laboratory studies have established AICAR as a profound cardio-protectant, successfully reducing infarct size in animal models of induced heart attacks. Because it physically reprograms cellular metabolism without CNS stimulation, it remains one of the most prioritized small molecules in metabolic research.
- 1.Narkar, V.A. et al., "AMPK and PPARdelta agonists are exercise mimetics," Cell, 2008.
- 2.Corton, J.M. et al., "5-aminoimidazole-4-carboxamide ribonucleoside. A specific method for activating AMP-activated protein kinase in intact cells?" European Journal of Biochemistry, 1995.
- 3.Winder, W.W. et al., "Activation of AMP-activated protein kinase increases arachidonic acid turnover and prostaglandin E2 production in skeletal muscle," Journal of Applied Physiology, 2003.
- 4.Mullane, K. et al., "Acadesine: the clinical development of a first-in-class, AMP-regulating, tissue-protective drug," Cardiovascular Drug Reviews, 1993.
