What you need to know about muesli bars

Muesli bars are a sure ingredient in any lunch box . 

They're convenient, tasty and healthy,  or so we thought!

Turns out majority of ones you find at the supermarket aren't any healthier than a chocolate bar.

So what ones can we trust and should we just make our own?

NZ Nutrition Foundation Sarah Hanrahan spoke to The AM Show.

Watch the video.