New insights highlight how preparation techniques make 'healthy' carbs better for people with diabetes

Recent research underscores that for those with diabetes, choosing minimally processed, fibre-rich carbohydrates and paying attention to cooking methods can help manage blood sugar levels effectively without complete carbohydrate avoidance.

People with diabetes do not need to treat carbohydrates as forbidden food, but they do need to choose them carefully and keep portions in check. The FoodnService article argues that some carbs can fit into a diabetes-friendly diet, and Healthline’s reporting adds an important caveat: how a food is prepared often matters as much as the food itself. In particular, cooking methods, fibre content and serving size can all affect how sharply blood glucose rises.

Quinoa is one of the strongest examples. Healthline describes it as a complete protein with a relatively low glycaemic index, meaning it is less likely to trigger a rapid rise in blood sugar than many refined grains. Its fibre and amino acid profile also make it more filling than many other carbohydrate sources. Rinsing it first and cooking it in a two-to-one water ratio produces a light, nutty base that works well in salads, grain bowls and side dishes.

Sweet potatoes are another option often recommended for people watching glucose levels, but moderation is key. Healthline says they are more nutritious than white potatoes and can be included in a diabetes meal plan, though the cooking method changes their impact: boiling tends to produce a lower glycaemic index than baking or frying. That makes portion control and preparation important, especially since larger tubers can easily push a meal into higher-carb territory.

Legumes such as chickpeas and lentils also stand out because they combine carbohydrate with fibre and protein. That combination helps slow digestion and gives them a steadier effect on blood sugar than many starchy staples. Chickpeas are especially adaptable, whether folded into salads, blended into hummus or added to soups, while lentils cook quickly and bring extra iron and B vitamins to the plate.

The same principle applies to oats, barley and wholegrain bread. Steel-cut oats are slower to digest than heavily processed breakfast cereals, barley is valued for its chewy texture and high fibre content, and wholegrain bread is generally a better choice than white bread because it slows glucose absorption. Even berries, though sweet, can fit the brief because they are relatively low on the glycaemic index and bring antioxidants as well as flavour. The broader message is simple: carbohydrates are not all equal, and for people with diabetes, the best choices are usually the ones that are minimally processed, fibre-rich and eaten in sensible portions.

Disclaimer: This content is for informational purposes only and is not intended to be a substitute for professional medical judgment, advice, diagnosis, or treatment.