Why insulin resistance can make weight loss harder

By Ahmet Taş | Wise News Press

ISTANBUL, Turkey — As summer approaches, many people struggling to lose weight may be facing more than excess calories: insulin resistance can also play a major role.

Experts say insulin resistance may cause frequent hunger, sugar cravings, sleepiness after meals, fat accumulation around the waist and difficulty losing weight. Zeynep Acar, Nutrition and Diet Specialist at Acıbadem International Hospital, says insulin resistance can be reduced with proper eating habits and lifestyle changes.

Diabetes and insulin resistance are growing concerns

Diabetes and insulin resistance are becoming major public health concerns in Turkey. According to data cited from the International Diabetes Federation, about 9.6 million people in Turkey are living with diabetes, while the prevalence among adults has reached around 16.5%.

Experts also estimate that millions of people live with prediabetes, also known as hidden diabetes, and insulin resistance. Sedentary lifestyles, unhealthy eating habits, obesity and abdominal fat are among the most important risk factors.

Insulin resistance is not only a condition that makes weight management harder. If left uncontrolled, it can increase the risk of type 2 diabetes, high blood pressure, high cholesterol, fatty liver disease and heart disease.

Sugar cravings may be a warning sign

Insulin is a hormone produced by the pancreas that helps move sugar from the bloodstream into the cells. When insulin resistance develops, the pancreas may still produce insulin, but the cells do not respond to it effectively.

As a result, the pancreas has to produce more insulin to keep blood sugar under control. Over time, this can disrupt glucose balance.

Acar says insulin resistance is an important metabolic disorder that may increase the long-term risk of type 2 diabetes. She notes that weight gain, especially around the waist, sleepiness after meals, frequent hunger and increased cravings for sweets may be among the warning signs.

In women, insulin resistance is also closely linked with Polycystic Ovary Syndrome, now also referred to as Polyendocrine Metabolic Ovary Syndrome. For this reason, people with symptoms should seek professional evaluation instead of relying only on restrictive diets.

Why it makes weight loss harder

The main reason insulin resistance can make weight loss more difficult is that high insulin levels may increase fat storage in the body. Persistently elevated insulin may especially contribute to fat accumulation around the waist.

This can make people feel hungry more often and increase the desire for carbohydrates and sweets. Even when someone tries to eat less, blood sugar fluctuations may trigger hunger attacks, making diets harder to maintain.

Acar emphasizes that early lifestyle changes are important. According to experts, the goal in insulin resistance is not simply to cut calories, but to create an eating pattern that keeps blood sugar more stable and includes enough fiber, protein and healthy fats.

Choose whole grains instead of white bread

One of the first areas to review in insulin resistance is carbohydrate quality. White bread, white rice, pastries and refined carbohydrates can raise blood sugar quickly. These rapid increases may increase insulin demand and worsen blood sugar fluctuations.

Whole grains, by contrast, are digested more slowly. Because they are richer in fiber, they may help prolong fullness and support a healthier insulin response. Whole wheat bread, oats, bulgur and legumes can therefore be better carbohydrate choices.

However, portion control remains important. Whole-grain foods may be healthier, but excessive portions can still make weight control more difficult.

Meal timing affects blood sugar

Long periods of uncontrolled fasting may disrupt blood sugar balance in some people and lead to overeating at the next meal. For this reason, regularly planned and balanced meals can offer a more sustainable approach for people with insulin resistance.

At the same time, longer fasting windows such as intermittent fasting may support metabolic balance and insulin sensitivity in some individuals when properly planned. However, this approach is not suitable for everyone. People with diabetes, hypoglycemia, pregnancy, breastfeeding, chronic disease or regular medication use should seek medical advice first.

Sugary drinks are among the riskiest habits for insulin resistance. Packaged fruit juices, carbonated beverages and sweetened coffees can raise blood sugar rapidly. Acar says water, ayran or unsweetened herbal teas should be preferred instead.

Protein and fiber should be included in meals

Protein sources such as eggs, yogurt, cheese, fish, chicken and legumes can help people feel full for longer. Balanced meals that contain protein may also reduce sudden hunger attacks.

Fiber-rich foods are also important in managing insulin resistance. Vegetables, fruits, legumes and oats can slow digestion and support blood sugar control.

For sugar cravings, fruit can be a better option than syrup-heavy desserts. Cinnamon may also help reduce blood sugar fluctuations in some people. However, cinnamon or similar foods should not be seen as a treatment on their own.

Late-night eating can worsen the problem

Heavy meals eaten late at night may negatively affect blood sugar balance. High-calorie foods consumed shortly before bedtime can also make weight gain easier.

Portion control is just as important as food choice. Even healthy foods can make weight management harder when consumed in excessive amounts. Using smaller plates, eating slowly and listening to fullness signals may help.

Healthy fats should also be part of a balanced eating pattern. Olive oil, avocado, walnuts, almonds and hazelnuts can support both metabolic balance and heart health. Acar says choosing the right fats can help support cardiovascular health and metabolic control.

Exercise is part of treatment

Physical activity is as important as nutrition in managing insulin resistance. Even daily walks can improve the sensitivity of cells to insulin.

Acar says at least 150 minutes of moderate-intensity exercise per week may help bring insulin resistance under control.

Experts say the most effective approach for insulin resistance combines balanced nutrition, regular movement, adequate sleep, stress management and medical follow-up. People who struggle with weight loss, frequent hunger, sugar cravings or sleepiness after meals should seek support from health professionals instead of starting severe diets on their own.

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