Flahavans oat bran flahavans oat bran is made when oatmeal is ground down and the oat is removed leaving a greater concentration of both soluble and insoluble fibre fraction of the oats flahavans oat bran has more oat extracted than most other brands available this means the oat bran is of a higher quality and per gram represents the healthiest oat bran around this contains the germ and protein of the grain and the skin of the kernel here is the unique soluble fibre fraction of oats oat