DFSNZ's CEO Nick Paterson said education is important in letting young players know whether the supplements they are taking are legal.
"We know that they're taking large amounts of supplements and things like that which we know a young child doesn't need to be taking."
Reg Cook, with the help of engineer Simon Longdill, wants to set a new wheel driven land speed record.
The battle of sailing for tradition or entertainment is at the centre of the debate.
"You're sailing for a technology company but are you having tech issues?" It turns out Jimmy hasn't totally lost his sense of humour.
Both teams kept things civil as they trained alongside one another in Bermuda, preparing for the showdown.
1 NEWS sports reporter Abby Wilson says Team USA were attempting to sail with their bows low to the water, similar to Team NZ.
Nothing radical was expected, but minor tweaks have been made on-board Aotearoa – they're small but noticeable if you know what you're looking for.
The Olympic rowing legend is aiming for the sky having traded the open water for the open road.
This year's squad head out to defend their title today after four members of the current Team NZ squad won the crown in 2013.