When it comes to weight loss, understanding key lab values can uncover hidden barriers that may be sabotaging your progress. Important labs to consider include fasting glucose, hemoglobin A1C, fasting insulin, and a comprehensive metabolic panel. These tests help identify signs of prediabetes, insulin resistance, or metabolic dysfunction—conditions that can make weight loss more difficult and increase your risk for chronic disease. By evaluating these markers, you gain a clearer picture of how your body processes sugar, stores fat, and regulates energy. With this information, you can tailor your nutrition, exercise, and lifestyle strategies more effectively to support lasting weight loss and overall health.