Larger Flake Oats All large flake oats are essentially the same product,
but produced at different thicknesses, which results
in a range of absorption characteristics, as well as
visual differences. A new clinical study has found that eating oatmeal and other wholegrain oat cereals can help control blood pressure levels. With growing levels of hypertension costing health services millions in treatment, the research comes as welcome news for health authorities.