Insulin resistance is one of the most common and underdiagnosed metabolic conditions in the United States. It underpins prediabetes, type 2 diabetes, polycystic ovary syndrome (PCOS), and metabolic syndrome — and it is a major driver of the difficulty many people experience losing weight despite diet and exercise. Understanding insulin resistance is crucial for anyone struggling with weight management or metabolic health.
What Is Insulin Resistance?
Insulin is a hormone produced by the pancreas that allows cells in your muscles, liver, and fat tissue to absorb glucose from the bloodstream for energy. Insulin resistance occurs when these cells stop responding normally to insulin, requiring the pancreas to produce more and more of it to achieve the same glucose-lowering effect. Over time, the pancreas may not be able to keep up, leading to elevated blood glucose levels, prediabetes, and eventually type 2 diabetes.
Common signs of insulin resistance include: difficulty losing weight despite caloric restriction, fat accumulation around the abdomen, fatigue after meals, carbohydrate cravings, acanthosis nigricans (darkened skin patches in body folds), and irregular menstrual cycles in women. Fasting insulin levels and a fasting glucose-to-insulin ratio are the most direct ways to identify insulin resistance before blood sugar becomes elevated.
Lifestyle Interventions That Improve Insulin Sensitivity
- Weight loss of even 5–10% of body weight significantly improves insulin sensitivity
- Regular aerobic exercise (150+ minutes per week) and resistance training both help cells use insulin more effectively
- Reducing refined carbohydrates and added sugars decreases insulin demand
- Improved sleep quality reduces cortisol-driven insulin resistance
- GLP-1 medications (semaglutide, tirzepatide) dramatically improve insulin sensitivity alongside weight loss
Getting Evaluated at Vish Medical
If you suspect insulin resistance — or if you have been struggling to lose weight despite your best efforts — a metabolic panel at Vish Medical can provide answers. Dr. Arpana Pillay evaluates insulin resistance as part of weight loss consultations and preventive care. Book your consultation today to take control of your metabolic health.