Weetabix Wholegrain Cereal made from nutritious whole grains. It’s a great way to start the day if you’re looking for a breakfast that’s full of goodness and will help keep you going until lunch. There are 134 calories in your average two biscuit serving. one-third of your recommended daily intake of Thiamin (B1), Riboflavin (B2), Niacin, Folic Acid, and Iron. Weetabix Wholegrain Cereal with milk only – but have you thought to try it with Yoghurt instead? Or how about adding chopped fresh fruits and nuts.