Creatine Monohydrate

Creatine Monohydrate (N-(aminoiminomethyl)-N-methylglycine) is a naturally occurring compound synthesized endogenously in the liver, kidneys, and pancreas from the amino acids arginine, glycine, and methionine. While historically categorized as a performance-support substrate for skeletal muscle performance, it is now recognized as a critical neuroenergetic companion. In the brain, creatine plays a vital role in maintaining energy homeostasis, particularly during periods of high metabolic demand, mental fatigue, or everyday environmental stressors.

Clinical Benefits & Mechanism of Action

Creatine Monohydrate functions primarily through the phosphocreatine (PCr) system, acting as a rapidly mobilizable reserve of high-energy phosphates.

1. ATP Resynthesis: Creatine kinase (CK) catalyzes the transfer of a phosphate group from phosphocreatine to adenosine diphosphate (ADP), rapidly regenerating adenosine triphosphate (ATP). This “phosphocreatine shuttle” is essential for supporting optimal cellular energy during peak cognitive demand.
2. Cellular Resilience and Bioenergetics: By supporting the stability of mitochondrial membranes and helping to maintain normal levels of reactive oxygen species (ROS), creatine helps protect neurons from oxidative stress and assists in maintaining balanced neurotransmitter signaling.
3. Cerebral Energy Homeostasis: Supplementation supports natural brain creatine concentrations, which has been shown to support performance on tasks requiring executive function, particularly during periods of mental exhaustion or demanding cognitive workloads.
4. Osmoregulation and Cell Volumization: Creatine acts as an organic osmolyte, managing fluid balance within cells. In a neurological context, this supports normal cellular signaling pathways and structural integrity.
5. Glutamate Modulation: Emerging research suggests creatine may modulate NMDA receptor activity, helping to maintain a healthy neurological balance and supporting general emotional well-being and long-term brain health.

Scientific Sources & Clinical Trials

• Comparative Efficacy and Pharmacokinetic Parameters of Micronized Creatine Monohydrate (KleanCREATINE™) in Active Men: A Randomized, Controlled Clinical Study.
• Impact of creatine monohydrate supplementation combined with multicomponent training in older adults (≥75 years): study protocol of a randomized controlled trial.
• The Effect of Creatine Monohydrate on Mental Disorders: A Systematic Review of Randomized Controlled Trials: Effet du monohydrate de créatine sur les troubles mentaux : examen systématique des essais contrôlés à répartition aléatoire.