Why Weight Loss Is More Difficult When You Have Type 2 Diabetes
If you have type 2 diabetes and have been doing all you can to lose weight and still aren’t seeing the results you expect, you’re not alone. Weight loss can be challenging with type 2 diabetes, and there are explanations for this. That said, there are many options to help you reach your weight loss goals and improve your overall health.
Why Is It Hard to Lose Weight With Type 2 Diabetes?
Multiple factors contribute to weight loss challenges with type 2 diabetes. Obesity causes tissues to become less sensitive to insulin (“insulin resistance”) – the hormone that is responsible for lowering blood sugar by moving it from the blood into the tissues Insulin resistance affects weight loss because it causes the body to store excess sugar as fat.
When muscle, fat and liver cells stop responding well to insulin’s signal to absorb sugar from the blood, the pancreas compensates by producing more insulin. This leads to consistently elevated insulin levels in the blood whose primary function is to promote body’s fat stores (anabolic or fat storage hormone) and blocking the breakdown of fat (lipolysis) that’s already stored. The elevated insulin levels can therefore work against weight loss, even when there is a calorie deficit.
While obesity related insulin resistance prevents glucose from entering the cells efficiently, the cells themselves are relatively energy starved despite the high blood sugar levels which sends distress signals to the brain, driving intense hunger, fatigue, and carb cravings.
How Medication Plays a Role
Some diabetes medications can make it harder to lose weight, while others can support weight loss. Medications like insulin injections and sulfonylureas (e.g., glipizide, glimepiride, and glyburide) are associated with weight gain as a side effect of how they work. Others, like glucagon-like peptide-1 (GLP-1) medications, can help many individuals with and without type 2 diabetes lose weight.
In general, GLP-1 medications may decrease appetite and cause the stomach to empty more slowly, which can keep someone feeling fuller longer. In a 2025 study, researchers found that tirzepatide, like Zepbound, and semaglutide, such as Wegovy, were effective for weight loss in people with and without type 2 diabetes.
Patients on diabetes medications must often consume extra carbs or snacks to prevent dangerously low blood sugar levels (hypoglycemia) during or after exercise, which can also sabotage weight loss efforts
How Bariatric Surgery Can Help With Type 2 Diabetes
While diet, exercise and medication can support weight loss and improve related health conditions, bariatric surgery is considered an effective form of type 2 diabetes treatment in people with a body mass index of 30 or above. According to the American Society for Metabolic and Bariatric Surgery, almost all patients see improvement in their diabetes after bariatric surgery, and most experience remission. Some types of bariatric surgery such as the Duodenal Switch (DS) and its variant the Single Anastomosis Duodenal ileal bypass (SADI) have a 90% diabetes remission rate.
Bariatric surgery is often so helpful in treating type 2 diabetes because it can lead to more significant and more sustainable weight loss than lifestyle changes alone. Losing 5 to 7% of body weight can improve blood sugar, and sustained weight loss of more than 10% usually brings greater benefits, including possible remission of type 2 diabetes.
We’re Here for You at the Center for Weight Loss Surgery
Are you considering bariatric surgery to reach your weight loss goals and improve type 2 diabetes? At the Center for Weight Loss Surgery, we understand how challenging it can be to lose weight without the right support, and we’re here to help. We offer a range of services, including bariatric surgery, medical weight management and body contouring, to help our patients achieve their goals and live healthier, happier lives. We’re dedicated to providing compassionate, personalized care at every step of your weight loss journey.
Ready to learn more? Reach out to our team in Kirkland or Federal Way, WA, or schedule your consultation online.
