Key Takeaways

Creatine is an amino acid that is mostly stored in muscles.

Creatine supplementation can increase muscle mass and strength (when combined with resistance training) and improve high-intensity exercise performance.

While research on creatine supplementation for various health conditions is increasing, the evidence is preliminary and sometimes mixed.

Creatine is a naturally produced amino acid found mainly in the muscles and obtained through foods like meat and seafood or supplements. While it's mainly used to boost muscle growth and exercise performance, research on its effects on brain function and blood sugar is still mixed.

1. Improves Muscle Mass

Creatine is a popular supplement among athletes to enhance muscle mass growth when combined with resistance (strength) tr

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