Blood Test: G6PD Deficiency

If you're considering high-dose vitamin C therapy, this test isn't optional. It's essential. G6PD (Glucose-6-Phosphate Dehydrogenase) is an enzyme that protects your red blood cells from oxidative stress. High-dose vitamin C creates significant oxidative stress. If you're G6PD deficient and receive high-dose vitamin C, it can trigger sudden, severe destruction of your red blood cells—a potentially What We Measure: Complete Blood Count (CBC): Hemoglobin, Hematocrit, Erythrocytes, Mean Cell Volume, Mean Cell Hemoglobin, MCHC, Red Cell Distribution Width, Total Leukocytes, Neutrophils, Eosinophils, Basophils, Lymphocytes, Monocytes, Platelets G6PD enzyme Who Needs This Test? ✓ Anyone considering high-dose vitamin C therapy ✓ People planning integrative or functional medicine protocols ✓ Anyone who has experienced reactions to vitamin C or supplements - Previous unexplained anemia after starting supplements - Dark urine after high-dose vitamin C - Fatigue or weakness after IV therapy - Any unusual reaction to antioxidant protocols ✓ Family history of G6PD deficiency If parents, siblings, or children have been diagnosed with G6PD deficiency, you should be screened before any high-dose vitamin C therapy. When your results arrive, your physician analysis will help you understand: - Which values fall outside normal ranges and why that matters - How different measures relate to each other - Whether patterns suggest specific conditions - What lifestyle or medical interventions might help - Whether follow-up testing is recommended