Diabetics warned: Sweet potatoes can be a blood sugar trap if not prepared correctly

Many individuals managing diabetes turn to sweet potatoes as a healthier alternative to white rice, but this substitution requires careful consideration of preparation methods, according to Dr. Dai Xiaofu, director of Wenshin Clinic in Taoyuan. While sweet potatoes offer fiber and satiety, their impact on blood sugar can vary dramatically based on how they are cooked.

Dr. Dai cautions against viewing all sweet potatoes as universally beneficial for diabetics. She specifically advises against consuming heavily candied or baked sweet potatoes, often found in convenience stores. These preparations, she explains, involve prolonged heating that reduces moisture and intensifies sweetness, leading to a faster rise in blood glucose levels compared to boiled or steamed versions.

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Sweet potatoes can be eaten, but it is still recommended to prioritize boiling or steaming, include them in the staple food portion, and eat them with protein and vegetables.

For diabetics, the preferred methods of preparing sweet potatoes involve boiling or steaming. It is crucial to incorporate sweet potatoes into the daily staple food allowance, rather than consuming them as an additional carbohydrate source. Dr. Dai also emphasizes the importance of pairing sweet potatoes with protein and vegetables to create a balanced meal, rather than eating a whole sweet potato alone as a snack.

Ultimately, Dr. Dai stresses that no single staple food is inherently "best" or "worst" for diabetics. The key lies in understanding cooking methods, portion control, and ensuring stable post-meal blood sugar levels. With appropriate preparation and balanced dietary integration, even staple foods like white rice and sweet potatoes can be part of a healthy eating plan for individuals with diabetes.

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Baked sweet potatoes are not recommended to be classified as diabetes-friendly food.