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Top prohibited substances in NZ

13 Mar 2019

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These substances can get you sanctioned

March 2019 version (out-of-date)

Here's a short summary of a few of the prohibited substances in New Zealand which have resulted in sanctions.  Historically more likely to feature in doping cases of the 80s and 90s or in medical journals, these substances are now more readily available than before. 

All of these can present serious health risks to the user.  All are against the spirit of sport, which is why they are prohibited.  

Substance Description Why it's used
Clenbuterol Anabolic agent and a bronchodilator  Used to lose weight while maintaining lean muscle mass



Anabolic steroid, modified from testosterone.

Used to gain size and strength

Sustanon 250 Anablic steriod, contains various forms of testosterone Used to gain size and strength
Stanozolol Anabolic steroid, modified from dihydrotestosterone (DHT) Used to gain size and strength
Higenamine Beta-2-agonist

A bronchodilator, designed to relax muscles in the lungs.

It is often found in supplements described as a fat-burner

Tamoxifen Selective estrogen receptor modulator  Used to reduce the side-effects of steroids, like excess breast tissue in males
Erythropoietin (EPO) Hormone produced primarily by the kidneys The laboratory-made EPO(RHuEPO) is used to increase production of red blood cells, enhancing oxygen delivery to the muscles