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A member asked:
If some one fast for 21 days will the insulin and cpeptide levels be low if they have prediabetes also will there cortisol levels be high?
A doctor has provided 1 answer
Yes but why fast...: Insulin and c-peptide will be low if you fast. 21 days is not recommended for anyone. Diabetes and prediabetes will not affect these levels in any reliable way. I also do not expect cortisol levels to be particularly helpful. If you are concerned about dm or prediabetes, the answer is a fasting glucose test and a hemoglobin a1c.
Answered 10/3/2016
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