Deficiency/Inflammation/Women
Vitamin E
Fat-soluble antioxidant vitamin that mainly corrects deficiency and is most useful for adults with low intake or fat malabsorption.
Vitamin E
Fat-soluble antioxidant vitamin that mainly corrects deficiency and is most useful for adults with low intake or fat malabsorption.
52
B
evidenceCaution
riskProven Benefits
01Corrects vitamin E deficiency
02Reduces deficiency neuropathy
03Prevents deficiency hemolysis
04Improves NASH histology
05Reduces menstrual pain
06May reduce menstrual blood loss
07May lower CRP/IL-6
Chemical Forms
Recommended
- d-alpha-tocopherol
- d-alpha-tocopheryl acetate
- Mixed tocopherols
Avoid
- dl-alpha-tocopheryl acetate (synthetic all-rac; lower biologic activity)
- Isolated high-dose alpha-tocopherol (can lower gamma-tocopherol)
Expert Note
Natural d-alpha forms have higher biologic activity than synthetic all-rac forms, so equal IU claims are not always equal in physiologic effect. Mixed tocopherols better resemble food intake and may avoid over-reliance on isolated alpha-tocopherol, which can suppress gamma-tocopherol at higher doses.
Protocol
Amount
22-100 IU
Frequency
Once daily
When
With a meal containing fat to improve absorption.
Condition-Based Dosing
Adults using it to cover intake gaps
22-33 IU daily
Confirmed low serum alpha-tocopherol or fat-malabsorption
100-400 IU daily, individualized and monitored by a clinician
Primary dysmenorrhea
200-400 IU daily starting 2 days before menses and continuing through the first 3 days
Non-diabetic adults with biopsy-proven NASH
800 IU daily only under clinician supervision
Safety & Limits
Upper Safe Limit
1000 mg/day alpha-tocopherol (IOM UL for adults)
Cycling
Safe for continuous use
Contraindications
Warfarin, apixaban, rivaroxaban, aspirin, or clopidogrel — high-dose vitamin E can increase bleeding risk
Bleeding disorders or vitamin K deficiency — may further impair clotting
Upcoming surgery — stop high-dose use 1-2 weeks before unless your clinician says otherwise
History of hemorrhagic stroke — bleeding risk may be higher
Men considering long-term 400 IU/day synthetic vitamin E — SELECT linked this dose to higher prostate cancer incidence
Synergies
Avoid Combining With
- ✕Orlistat (reduces fat absorption and vitamin E uptake)
- ✕Cholestyramine or other bile acid sequestrants (separate by 4+ hours)
- ✕Mineral oil laxatives (chronic use lowers fat-soluble vitamin absorption)
- ✕Very low-fat meals (reduce absorption of supplemental vitamin E)
Updated Invalid Date