I searched to check if cornflour is gluten free, thinking it was, but just to be sure. Their automated summary of Holland and Barrett's page gets it 100% wrong (as you can tell by visiting the actual link). so... DO NOT RELY ON THE AI-GENERATED SUMMARY.www DOT hollandandbarrett DOT com › ... › food-drink › food › all-you-need-to-know-about-cornflourEverything You Need To Know About Cornflour | Holland & BarrettCornflour is a finely powdered starch from corn kernels that is used for thickening and binding in cooking. It is not gluten free and may affect blood sugar levels and heart health, so some alternatives are arrowroot, tapioca and potato starch."