Collection Methods
Walk-In Lab Visit
Visit any Quest Diagnostics location near you. No appointment needed — just bring your requisition form.
At-Home Phlebotomy
A certified phlebotomist comes to your home or office. Maximum convenience, same lab accuracy.
Who Should Take This Test
Men over 40 concerned about metabolic health
Those with energy crashes or blood sugar issues
Athletes wanting to optimize recovery and performance
Frequently Asked Questions
Why test insulin instead of just glucose?