CREATINE

Creatine is a naturally occurring compound in the human body that plays an important role in energy metabolism. Creatine is widely used among athletes to support energy production, especially during high-intensity and short-term physical activities. However, recent studies have shown that creatine not only improves physical performance, but may also have positive effects on cognitive function and age-related health conditions.

Creatine is an amino acid-derived compound that is synthesized in the body from the amino acids arginine, glycine and methionine. This synthesis process takes place mainly in the liver, kidneys and pancreas. Approximately 1-2 grams of creatine is produced in the body daily, and this amount can be supplemented with dietary creatine. Creatine is found mainly in animal sources such as red meat and fish.

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Creatine is involved in energy metabolism in the form of phosphocreatine. The enzyme creatine kinase in muscle cells converts creatine to phosphocreatine, allowing for the rapid resynthesis of ATP. This mechanism is especially important for meeting energy needs during short-term, high-intensity exercise.

Approximately 95% of creatine in the body is stored in skeletal muscles, while the rest is found in the brain, heart and other tissues. This distribution explains the effects of creatine on both physical performance and cognitive function.

Creatine supplementation increases muscle mass and strength, especially in resistance-trained individuals. Meta-analyses show that creatine use leads to significant increases in upper and lower body strength. However, some studies suggest that the effects of creatine on muscle growth may be limited and may vary by individual.

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