Advice on best diet plan from a nutrition expert. For people with diabetes or those trying to prevent the disease, you shouldn't just watch your glucose. Protein and fat also play a big role.

The diet frequently recommended for people who suffer from diabetes mellitus is one that is high in dietary fibre, especially soluble fibre, but low in fat (especially saturated fat) and sugar.

For those with type 2 diabetes, lifestyle changes — like eating a healthy diet that helps keep their blood sugar levels in range and manage their weight — can help.

A prediabetes diet can benefit everyone, ... [PDF]. American Diabetes Association. Type 2 Diabetes. Mayo Clinic. March 14, 2023. Chart of High-Fiber Foods. Mayo Clinic. January 5, 2021.