Dear patient for insulinoma there should be hypoglycemia FBS <55 mg/dl with hypoglycemia symptoms. And elevated c peptide...yours is just mild elevated and in few laboratory it is considered normal so first need to check reference range ...and yes .. insulinoma occurs 40 to 60 years of age and not that common . In your case think of insulin resistance rather than insulinoma.

Can help you, kindly consult and provide detailed history for proper diagnosis and further management

Fasting is slightly higher but since fasting sigar is fine . So need not worry instead avoid sugar intake and check c peptide levels after meals

It's normal.

Its not insulinoma , consult your doctor

Pl consult.

Need a few more details please consult for further evaluation and treatment