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

Vitamin E

52
score
B
evidence
Caution
risk

Proven 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

Vitamin C can regenerate oxidized vitamin E, helping maintain antioxidant activity in membranes and lipoproteins.

Selenium-dependent glutathione peroxidases clear peroxides that vitamin E helps keep from propagating, so the antioxidant network works better together.

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