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The Myths and Truths About A Diabetes Diet

Does eating too much fruit cause diabetes? What are the foods to avoid with diabetes? Here are some diabetes food myths debunked.
  • Article last reviewed 05 October 2020
  • 7 mins read
Diabetes Food Myth: Sugar Alone Causes Diabetes

Truth: The known risk factors for type 2 diabetes are family history, ethnicity, increasing age, being overweight, high blood pressure, high cholesterol levels, a sedentary lifestyle and smoking. Sugar is not the only cause of diabetes. If an excessive intake of sugar leads to obesity, this further increases a person’s risk of having diabetes.

Related: How Well Do You Know Your Sugar?

Diabetes Food Myth: Patients with Type 2 Diabetes Must Swear Off Sweets or Chocolate

Truth: Those with poor blood sugar control should avoid sugary treats like sweets and chocolate, as these can quickly cause unwanted spikes in sugar levels and provide little nutrition. Those with good glycaemic control should also exercise caution by eating sweets sparingly. Regular blood sugar monitoring is important when having sweet treats.

Related: Diabetes and Sweet Tooth

Diabetes Food Myths: Cutting Carbohydrates Complete or a Carb-Free Diabetes Diet Can Reverse Diabetes

Truth: Diabetes is an incurable condition that can be well-controlled. Cutting out carbohydrates completely is not recommended. A person who avoids carbohydrates completely is susceptible to low blood sugar levels and is likely to suffer from long-term deficiencies due to a lack of carbohydrate-containing food. In serious situations, hypoglycaemia can result in diabetic comas that may be life-threatening, especially for those who are not consuming sufficient carbohydrates and are currently on diabetic medications. 

A balanced diet is essential for diabetes management. Eat more wholegrains instead of refined grains, and enjoy a variety of other carbohydrate-containing food, including low-fat yoghurt, fruits, beans and vegetables such as broccoli, carrots and sweet potatoes. 

It is advisable that carbohydrates form around 50 percent of the daily diet. Consult a dietitian for the recommended quantity as this differs for each individual.

Related: Carbohydrates and Diabetes

Diabetes Food Myth: I Should Make Food Choices Based on Their GI

Truth: In general, high GI foods raise blood sugar levels faster by releasing sugar quickly into the bloodstream. This is more useful for athlete’s post-exercise or for patients with hypoglycaemia. Some fad diabetes diets advise avoiding high GI foods completely. 

However, GI is just one measure of the nutritional value of food. Similarly, some low GI foods like cake, chocolate bars and potato chips are unhealthy and lack nutritional value, and are unsuitable for patients with type 2 diabetes. 

Maintaining a balanced diet with fruits, vegetables and carbohydrates, and regular exercise are the best ways to stay fit, prevent weight gain and stay healthy.

Related: What is the Glycaemic Index?

Diabetes Food Myth: No Matter How Many Fruits I Eat, My Diabetic Condition Won’t Be Affected

Truth: Fruits contain many vitamins, minerals and fibre, so it is great to include them in your meals. They also contain natural sugars and carbohydrates, so stick to the recommended two portions daily. 

Spreading out these two portions or eating them between meals can help to prevent sudden spikes in sugar, and help with blood sugar control. Pick fresh whole fruits instead of juiced, dried or canned ones as these can contain added sugar.

Look out for this food label:
To help consumers make more informed food choices, the Health Promotion Board (HPB) introduced the Healthier Choice Symbol (HCS) on packaged food products in 2001. Products that qualify and carry the symbol are generally lower in total fat, saturated fat, sodium and sugar. 

Some are also higher in dietary fibre and calcium compared to similar products. There are about 2,600 such products on the shelves currently. As with all foods, HPB advises that you consume HCS food products in moderation. Look out for this label for the list of products with the HCS, visit the Health Promotion Board website at www.hpb.gov.sg

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