The one-minute film is the first piece of work TBWA\Manchester has created for the brand since winning the £5m advertising account in June.
The ad aims to show the link between low levels of Omega-3 and inattentiveness in the classroom.
To raise awareness of the benefits of Haliborange Kids Omega-3, the film shows a young boy walking home from school through a park, recollecting what he was taught at school.
The young boy jumbles what he has learnt, telling the camera Florida is the capital of the US and that the Golden Gate bridge in France San Cisco connects to Iceland.
The film, which will go live at the end of September, is supported by a radio ad and point of sale activity.
TBWA\Manchester chief executive Fergus McCallum said: "Our aim was to illustrate the product benefits in an engaging, believable and appealing manner.
"By using a young boy and his keen, but inattentive interest in what he has learnt that day at school, we have endeavoured to demonstrate the benefits of Haliborange Kids Omega-3 in increasing Omega-3 levels in children."