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Understanding Low C-Peptide Levels: Implications for Diabetes and Weight Management

Low C-Peptide Dear Dr. Lin, Thank you for your prompt response. I apologize for needing to ask a few more questions: 1) Is there a difference in fasting C-Peptide levels between 8 hours and 12 hours? 2) Is a low C-Peptide level associated with a lower likelihood of regaining ...


Dr. Lin Jianliang reply Internal Medicine
1. C-peptide: It is generally recommended to have blood drawn after fasting for about 8 hours, but prolonged fasting is not advised as it may affect the test results. 2. Generally, C-peptide is not commonly used to assess the likelihood of weight regain. 3. Based on your current ...

[Read More] Understanding Low C-Peptide Levels: Implications for Diabetes and Weight Management


Understanding Low C-Peptide Levels: Is It Type 1 Diabetes?

Low C-Peptide Hello Dr. Lin, My current fasting blood glucose is 90 mg/dL and 2-hour postprandial is 80 mg/dL, which seems normal. However, my HbA1c is 6.2%, and my peptide insulin level is only 0.6. About a year and a half ago, I experienced a sudden and significant weight loss...


Dr. Lin Jianliang reply Internal Medicine
1. Based on the information you provided, your likelihood of having type 1 diabetes is low. 2. Avoiding all-you-can-eat restaurants, enhancing dietary control, and increasing physical activity should help improve your blood sugar levels. 3. Improving your lifestyle, being mindful...

[Read More] Understanding Low C-Peptide Levels: Is It Type 1 Diabetes?


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