Next time when you buy porridge for morning breakfast try to look for one with rough and coarse particles as this can significantly lower blood sugar levels by letting the starch digest slowly in the gut new research suggests.Wheat is a good source of starch and also contains dietary fibre. Milling wheat grains to produce flour damages these cell walls allowing the starch to be digested more quickly. The study led by King's College London found that when participants ate wheat porridge made from coarser larger particles this gave rise to significantly lower blood sugar levels than when they consumed