They've been loved by generations of Aussies and Weet-Bix is still Australia's No.1 breakfast cereal.Weet-Bix is packed full of 97% wholegrain goodness, and provides you with a good source of iron and Vitamins B1, B2 and 3 to help release the energy you need to kickstart your day, as part of a balanced diet. Providing a natural source of fibre, Weet-Bix is also low in fat and sugar and contains 5 essential vitamins and minerals.