As a Nurse Practitioner practicing autonomously in Florida, I often encounter patients who are curious about various biomarkers and their implications for health. One such critical biomarker that often comes under discussion is fasting insulin. Understanding fasting insulin and its role in the body can help in managing and preventing conditions such as diabetes mellitus and metabolic syndrome. This article aims to provide an educational overview of fasting insulin, its physiological roles, clinical implications, and the factors that can influence its levels.
Insulin is a hormone produced by the beta cells in the pancreas. It plays a vital role in regulating blood glucose levels by facilitating the transport of glucose from the bloodstream into the cells, where it is used for energy. Insulin is essential for maintaining normal blood sugar levels and supporting metabolic functions.
Insulin has several key physiological roles in the body, including:
The fasting insulin test measures the amount of insulin in the blood after a period of fasting, typically 8–12 hours. The standard range for fasting insulin levels in U.S. units is 0.00–18.40 µIU/mL, and in international units, it is 0.00–127.78 pmol/L. The optimal range is narrower, between 2.00–5.00 µIU/mL (13.89–34.72 pmol/L).
In conclusion, comprehensive evaluation through functional medicine in Florida facilitates identification of cellular-level and molecular imbalances driving metabolic and hormonal dysfunction. By integrating evidence-based therapies with medical weightloss medical care services—where metabolic optimization is often the focus—we offer patients a regenerative, preventive framework to rebuild resilience and optimize wellness. Call (904) 799-2531 or schedule online to request your personalized metabolic health assessment.
Ready to take the next step in optimizing your health? Contact us to schedule a comprehensive functional medicine evaluation centered on whole-person care. We offer convenient in-person and telemedicine appointments. Our team is available to assist with scheduling and to ensure you receive the support and care you need.
Comprehensive care with a whole person approach, specializing in injury management, wellness, and longevity.
hello@intercoastalhealth.com
4320 Deerwood Lake Parkway
Suite 327
Jacksonville, Florida 32216
Disclaimer: The content on this website is for informational purposes only and does not constitute medical advice or replace professional medical care, diagnosis, or treatment. Eligibility for medical treatments will be determined by your healthcare provider, who will exercise discretion regarding your treatment plan. All images are intended for educational purposes only. Statements made on this website have not been evaluated by the Food and Drug Administration. Always consult your healthcare provider before initiating or discontinuing any treatment.
Intercoastal Health – Copyright © 2025 All Rights Reserved.