Vitamin E

Vitamin E (alpha-tocopherol) measures the level of this fat-soluble antioxidant in your blood. Vitamin E protects cells from oxidative damage and supports immune function.

Category: Vitamins & Minerals

Also known as: vitamin e, alpha-tocopherol, tocopherol, vit e

Reference range: 5.5–17 mg/L (Source: ABIM)

Standard unit: mg/L

High values may indicate

High vitamin E levels may indicate excessive supplementation, which can increase the risk of bleeding, interfere with blood clotting, and may be associated with an increased risk of hemorrhagic stroke.

Low values may indicate

Low vitamin E levels may indicate fat malabsorption disorders (such as cystic fibrosis or celiac disease), liver disease, or genetic conditions, and can lead to nerve damage and muscle weakness.

Source: MedlinePlus, U.S. National Library of Medicine

Track your Vitamin E over time with BloodId