11 Aug 2017

Advisory regarding Higenamine

News Article

London, 11 August 2017 – A spike in the number of positive tests for Higenamine arising from supplement use has been reported. While this has only been linked to Australian athletes, all players are advised to be aware of the risks of supplements in general, and Higenamine in particular.

This substance may be listed under several other names, including: Nandina domestica; Demethylcoclaurine; Norcoclaurine; Tinospora crispa; Aconitum japonicum; Gnetum Parvifolium; Asarum hetertropoides. Players should avoid products that contain any of these substances.

The following products that have been reported to contain (or have contained) Higenamine, including: OxyShred; Alpha T2; PES Amphamine Advanced. This is not necessarily an exhaustive list.

Players are also advised to exercise extreme caution when using any food supplement product, as these are often not subject to strict manufacturing controls, and may contain prohibited substances that are not declared on the label, or in different concentrations than stated on the label.

Not only may the use of such substances expose players to positive anti-doping tests, but also to significant health risks. Higenamine has been connected to mild-to-serious heart-related effects, increased heart rate and high blood pressure. Players should also note that the use of supplements may cause side-effects due to other ingredients.

The Tennis Anti-Doping Programme produces an app containing a range of anti-doping information, including the full WADA prohibited list, which players are advised to keep with them at all times in order to check (and/or get physicians to check on their behalf) the contents of all products that they ingest. The app can be downloaded free from the iTunes Store and Google Play Store (search ‘Tennis Anti-Doping Programme’). Alternatively, the Tennis Anti-Doping Programme wallet card can be downloaded from the ITF Anti-Doping website at www.itftennis.com/anti-doping.

Players are responsible for everything they ingest, and a positive anti-doping test cannot be excused by a contaminated supplement.

For further information, please contact the ITF Anti-Doping Department at: anti-doping@itftennis.com. The original warning issued by the Australian Anti-Doping Agency can be found here