Arginine Metabolism in Youth With Type 2 Diabetes

This study is looking at how a body chemical called arginine is processed differently in teenagers and young adults with type 2 diabetes compared to healthy young people. Understanding these differences may help researchers develop better treatments for young people with diabetes. **You may be eligible if...** - You are a girl aged 12–20 (and have started your period) or a boy aged 14–20 (and are fully sexually mature) - You have been diagnosed with type 2 diabetes for at least 3 months but no longer than 10 years - Healthy young people without diabetes may also participate as a comparison group **You may NOT be eligible if...** - You have ever had a diabetic ketoacidosis (a serious diabetes complication) - Your diabetes is poorly controlled (HbA1c above 7.5%) - You have liver, thyroid, hormonal, or kidney problems - You take any diabetes medications other than metformin, insulin, or liraglutide - You are pregnant or on hormone therapy Talk to your doctor to see if this trial is right for you.