"The booming fitness supplement industry is a minefield for New Zealand youngsters looking at a career in sport, experts say.
Auckland College Sport chief executive Manoj Daji says better education about performance enhancing drugs is needed at the grassroots level."
"Another top female shot putter has been hit with an anti-doping ban.
American thrower Jillian Camarena-Williams has been served with a six-month suspension from the US Anti-Doping Agency after testing positive for clomiphene."