The Science Behind Creatine: How It Works

August 13, Mitarbeiter

The Science Behind Creatine: How It Works

When it comes to sports supplements, creatine is one of the most well-known and widely used. It is often used by athletes to improve performance and increase muscle mass. But how does creatine actually work?

The science behind creatine is fascinating. Creatine is a natural substance found in our bodies and can be found in small amounts in foods like meat and fish. It plays an important role in energy metabolism, especially in short-term and high-intensity activities like strength training and sprinting.

Creatine's primary function is to aid in ATP replenishment in muscles. ATP (adenosine triphosphate) is the main source of energy for muscle contractions. During intense physical activity, ATP is broken down and converted into ADP (adenosine diphosphate). This is where creatine comes into play.

How does creatine work?

When we take creatine as a dietary supplement, it is converted into creatine phosphate and stored in the muscles. When ATP is broken down and ADP is left over, creatine phosphate can quickly step in and convert ADP to ATP. This allows for faster ATP replenishment and helps fuel muscles.

The increased ATP availability allows athletes to complete longer and more intensive training sessions. This can lead to increased performance, faster muscle recovery and an increase in muscle mass.

Scientific research on creatine

The effects of creatine have been studied in numerous scientific studies. Many of these studies have shown that creatine actually has a positive effect on athletic performance.

A meta-analysis of over 150 studies found that creatine can significantly improve performance in strength training and sprinting exercises. Creatine has also been shown to promote muscle mass and increase strength.

Some studies have also shown that creatine may provide benefits for endurance sports like running and swimming. It can increase time to fatigue and reduce recovery time.

Proper use of creatine

In order to get the full effect of creatine, it is important to use it properly. The usual dosage recommendation is 3-5 grams of creatine monohydrate per day. It can be taken before or after a workout. A loading phase, in which higher amounts of creatine are taken, is usually not required.

When taking creatine, it is important to drink enough water because creatine binds water. This helps maintain hydration and minimize side effects like stomach upset.


The science behind creatine shows it's an effective and safe supplement to improve athletic performance. By aiding in ATP replenishment, creatine contributes to increased energy supply to muscles, which can lead to improved performance and muscle mass.

It is important to note that the effects of creatine can vary in each individual. It is advisable to consult a doctor or sports medicine specialist before taking creatine to make sure it is right for you.

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