More than 10 years ago, two students at Pakuranga College in Auckland did a test for their science fair and discovered Ribena didn't contain the promised amount of Vitamin C.
They came second in the science fair, but Ribena's manufacturer GlaxoSmithKline got fined $250,000 for misleading the public and had to correct their advertising.
Since then, the two girls have been known as the "Ribena girls".
Newsworthy caught up with one of the original Ribena girls, Jenny Suo, who now works as a reporter for the show.
Watch the video for the full segment.