She was a three-time competitor at the IAAF World Half Marathon Championships.
[2] In 2016, Fien won the Oceania Half Marathon Championships after two previous runner-up finishes.
The Australian Sports Anti-Doping Authority (ASADA) said Higenamine was increasingly being found in dietary supplements, though often listed under different names.
Fien's ban, imposed by Athletics Australia, was backdated to 9 August 2017, and will conclude on 9 May.
The ASADA said in a statement: "Ms. Fien’s sanction was reduced to nine months on the basis of her degree of fault and the fact that the supplement, ‘Liporush’, was a contaminated product.