People who have diabetes have to pay special attention to their diet as consuming too much of certain foods can increase blood sugar levels. In turn, this can cause complications such as cardiovascular disease and nerve damage.
This is because diabetic patients typically struggle to regulate blood sugar as their bodies cannot produce enough insulin, the hormone that processes glucose. Thankfully, the Glycemic Index (GI) is there to help you calculate whether your food will increase blood sugar levels quickly, moderately or slowly.
This article will help you understand the Glycemic Index and identify foods to include and avoid for diabetes.
Also Read: How to Efficiently Manage Type 2 DiabetesJ
What is the Glycemic Index?
The Glycaemia Index (GI) is a system that measures how quickly the carbohydrates in your food impact your blood sugar. In other words, the GI Index indicates whether a carbohydrate-containing food will tend to raise blood glucose levels quickly, moderately, or slowly. Thus, you can use the information to better manage diabetic conditions.
According to research, people with type 2 diabetes can choose low-GI foods to help them manage long-term blood glucose (Hba1c) levels. While there’s not as much evidence of the same in people with type 1 diabetes, choosing low GI foods for your day-to-day meals can help you keep your blood glucose levels steady after eating.
This is why your doctors and dietitians may help you work out and recommend a meal plan that contains a target range of daily carbs. In this way, people with diabetes can know how many carbohydrates to consume each day for a healthful, nutritional balance.
How Glycemic Index Works
When you eat different carbohydrates, they’re digested and absorbed at different rates. The GI index uses pure glucose or white bread as a base reference since it has a GI of around 100.
Other foods can have a GI index that runs from 0 to 100 and are assigned GI numbers that are categorised as low, medium, or high. This index depends on the rate at which they increase your blood sugar level.
- Carbohydrates that are slowly absorbed have a low GI rating that’s usually 55 or below.
- GI foods are considered to have a medium rating if they’re between 56 and 69.
- High GI foods have a GI rating of 70 or higher.
Your objective is to choose low glycemic index foods so that you can minimise tendencies towards increasing your blood sugar. After all, eating a high glycemic index food will likely increase your blood sugar and may lead to a higher post-meal blood sugar reading.
Foods to Include for People with Diabetes
The ADA prescribes the following foods as beneficial for people with diabetes:
- Fruits and Vegetables: Green, leafy vegetables are an excellent source of potassium, vitamin A, calcium, protein, and fibre. People with diabetes also find eating green, leafy vegetables helpful because they are rich in antioxidants and fibre. Examples of green, leafy vegetables include spinach, kale, broccoli, cabbage, and collard greens.
- Lean protein
- Foods that contain less added sugar
- Reduced intake of processed foods
Read up on 10 Cholesterol-Lowering Foods Everyone Should Own in Their Kitchen
The Right Amounts of Sugary and Starchy Carbohydrates
It is important that you add the right amounts of sugary and starchy carbohydrates to your meal plan. It will make it a more balanced one. However, you must be careful because such carbohydrates can raise blood sugar levels.
Your doctor and dietitian can give you advice on the right amount and type of carbohydrate based on your activity levels and medications (for example, insulin medications can be a factor in deciding the appropriate amounts).
Benefits and Examples of Low-Carb Diets
According to research, a low-carbohydrate diet can help you boost energy, reduce cravings, and reduce blood sugar levels. It can also help you maintain a moderate weight if you have diabetes. Variations of low-carb diets include vegan or vegetarian diet, keto diet, paleo diet, and mediterranean diet.
Related: Low-Carb vs. Low-Glycaemic Diets: Which Works Best for Managing Type 2 Diabetes?
Why You Shouldn’t Focus Solely on GI Ratings
Regarding what to eat to better manage your diabetes, you need to think of the bigger picture and consider more than just GI ratings. Otherwise, your diet could become unbalanced and could contain too much fat and calories. Then, you may start gaining weight and even increase your risk of heart disease.
Balancing High and Low GI Foods
People with diabetes need to balance high and low GI foods. Examples of high GI foods include white bread, white rice, white potatoes, puffed rice, chocolate, cookies, and cakes. Be sure to limit portions of high GI foods and pair them with protein sources or healthy fats. This will help to reduce the effect of high GI foods on blood sugar.
Combine Foods with Different GIs
It is important to balance your meals and choose foods that are high in fibre and wholegrains. Then your meals should be low in saturated fat, salt, and sugar. Do not forget to add some fruit, vegetables, wholegrains, nuts, pulses, and oily fish.
Related: 7 Food Hacks to Stay on Track with Your Diet
Foods to Avoid for People with Diabetes
People with diabetes should be careful to limit their intake of processed or highly refined foods, fried foods, white bread, sweets, highly salty foods, foods that are high in saturated or trans-fat, alcohol, and food or drinks containing added sugar.
Managing Diabetes Through Smart Food Choices
Effectively managing diabetes goes beyond monitoring blood sugar levels — it involves making informed, everyday dietary decisions. People living with diabetes can improve their health outcomes by staying active, choosing whole, nutrient-rich foods, and including lower glycemic index options whenever possible. You need to implement a consistent approach that blends regular physical activity, weight management (if needed).
Combine these approaches with a balanced whole-food diet, and you will be better able to stabilise blood glucose and enhance your overall well-being.
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