Creatine

Creatine monohydrate at 3g a day increases physical performance in successive bursts of short-term, high-intensity exercise.

By the Supplements UK editorial team. Last checked 9 October 2026. General information, not medical advice.

Short answer Creatine monohydrate at 3g a day increases physical performance in successive bursts of short-term, high-intensity exercise. It is the most studied sports supplement and has an authorised claim.

How to take it

3g to 5g daily, at any time. A loading phase is optional. Expect a kilo or two of water weight.

Safety

Well tolerated in healthy adults. People with kidney disease should speak to a doctor first. It is not for under-18s without advice.

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Questions people ask

What should I know about creatine?

Creatine monohydrate at 3g a day increases physical performance in successive bursts of short-term, high-intensity exercise.

Can I take this with medication?

Ask a pharmacist or GP first; some supplements interact with medicines.

Do supplements replace a balanced diet?

No. They are meant to add to a varied diet, not stand in for one.

Sources

Checked 9 October 2026.