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Toxicity from bodybuilding supplements and recreational use of products containing 1,3-dimethylamylamine

Jared A Brown and Nick A Buckley
Med J Aust 2013; 198 (8): . || doi: 10.5694/mja12.11167
Published online: 20 May 2013

To the Editor: 1,3-Dimethylamylamine (DMAA) is a substance with amphetamine-like effects found in bodybuilding and weight-loss products and recreational drugs (also marketed as methylhexaneamine, dimethylpentylamine and geranium).1 DMAA was recently banned in Australia and other countries owing to toxicity, lack of health benefits, and concerns about long-term safety and potential for misuse.2 However, published evidence for safety concerns has been remarkably limited; just a few cases report cerebral haemorrhage and cardiomyopathy.1


  • 1 NSW Poisons Information Centre, Children’s Hospital Network (Westmead), Sydney, NSW.
  • 2 University of New South Wales, Sydney, NSW.


Correspondence: jared.brown@sydney.edu.au

Acknowledgements: 

We thank Angela Chiew for assisting with data collection.

Competing interests:

No relevant disclosures.

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