Complete Testing & Optimization Guide
Optimal ranges, provider comparison, and strategies to improve your Transferrin Saturation levels
Only 5 providers include this test
Additional Specialized Tests
Men:20-50%, Women:15-50%
Abnormal Transferrin Saturation levels can indicate underlying health issues that may go undetected without proper testing. Regular monitoring helps catch problems early when they're most treatable.
Understanding your Transferrin Saturation levels enables targeted interventions, tracks treatment effectiveness, and helps optimize your overall health and performance.
Percentage of transferrin bound to iron
Reflects how much iron is being transported. Low in iron deficiency;high in iron overload (hemochromatosis). Critical for diagnosing iron disorders.
Men:20-50%, Women:15-50%
| Provider | Includes Test | Annual Cost | Total Biomarkers |
|---|---|---|---|
 Superpower | ✓ | $199 | 100+ |
 WHOOP Advanced Labs | — | $349 | 65 |
 Labcorp OnDemand | — | $398 | 30+ |
| — | $486 | 40+ | |
| — | $468 | 83 | |
| ✓ | $798 | 100+ | |
 InsideTracker | ✓ | $680 | 48 |
 Function Health | ✓ | $499 | 100+ |
| ✓ | $900 | 70+ | |
| — | $1150 | 110 | |
| — | $Varies | 75+ |
Choose from 5 providers that include this biomarker in their panels
Transferrin Saturation is a additional specialized tests biomarker that Percentage of transferrin bound to iron The normal reference range is Men:20-50%, Women:15-50%. Regular testing helps track changes and identify potential health issues early.
5 out of 10 major blood testing providers include Transferrin Saturation in their standard panels. These include Superpower, Mito Health, Function and others.
For most people, testing Transferrin Saturation 2-4 times per year is recommended to establish baseline levels and track trends. If you have abnormal results or are actively working to optimize this biomarker, more frequent testing (quarterly) may be beneficial. Always consult with your healthcare provider for personalized testing frequency recommendations.
The standard laboratory reference range for Transferrin Saturation is Men:20-50%, Women:15-50%. However, many functional medicine practitioners recommend tighter "optimal" ranges for peak health and performance. Your ideal range may vary based on your age, sex, health goals, and other individual factors. Work with a healthcare provider familiar with optimal ranges to determine your target levels.
Most direct-to-consumer blood testing services that include Transferrin Saturation provide the physician order as part of their service. However, some states have restrictions on direct-to-consumer testing. Check with your chosen provider about availability in your state and whether they provide the necessary physician authorization.
Reflects how much iron is being transported. Low in iron deficiency;high in iron overload (hemochromatosis). Critical for diagnosing iron disorders.
This information is for educational purposes only and is not medical advice. Always consult with a qualified healthcare provider about your specific health needs and before making decisions about blood testing.
