Micronised creatine: is it useful?

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Creatine monohydrate in water at room temperature has a solubility of 1.3%, which is not changed by micronisation. Micronisation can increase the rate at which it dissolves in water, but this does not mean that more of it dissolves: the amount dissolved stays the same.

Reducing the size of the powder particles increases their porosity, which may make them keep less well. In addition, smaller particles, being more exposed to stomach acid , can be more easily converted into creatinine.

As for the supposed greater digestibility of micronised creatine, this has not so far been shown by controlled scientific studies: micronisation therefore does not seem to bring significant advantages.

Finally, it should be stressed that the vast majority of published studies showing the effectiveness of creatine in sport were carried out with normal pure creatine monohydrate, not micronised.