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Vitamin E

supplement

Fat-soluble antioxidant that protects cells. High doses (>400 IU) can increase bleeding risk, especially with blood thinners.

Reported Benefits

No reports yet

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Systematic Review A structured review of all available research on a topic. Considered the strongest form of evidence overview. Strong Evidence Multiple RCTs or meta-analyses — controlled, repeatable, peer-reviewed.

Vitamin E - Health Professional Fact Sheet

ODS • 2023 • n=4757

NIH Office of Dietary Supplements

Women's Health Study showed 24% reduction in cardiovascular death in women and benefits in older adults; AREDS trial with 400 IU vitamin E reduced advanced AMD progression by 25% in high-risk participants.

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No reports yet

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Vitamin E - Health Professional Fact Sheet

ODS • 2023 • n=4757

NIH Office of Dietary Supplements

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Reported Side Effects

No reports yet

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Systematic Review A structured review of all available research on a topic. Considered the strongest form of evidence overview. Moderate Evidence Single RCT or well-designed observational studies. Solid with some limitations.

Vitamin E - Mayo Clinic

Mayo Clinic • 2023

Mayo Clinic Staff

High-dose vitamin E slowed functional deterioration in mild to moderate Alzheimer's, delaying institutionalization, though evidence is mixed and not preventive for healthy cognition.

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Research (2 studies)

Systematic Review A structured review of all available research on a topic. Considered the strongest form of evidence overview.

Vitamin E - Health Professional Fact Sheet

ODS • 2023 • n=4757

NIH Office of Dietary Supplements

Read study

Systematic Review A structured review of all available research on a topic. Considered the strongest form of evidence overview.

Vitamin E - Mayo Clinic

Mayo Clinic • 2023

Mayo Clinic Staff

High-dose vitamin E slowed functional deterioration in mild to moderate Alzheimer's, delaying institutionalization, though evidence is mixed and not preventive for healthy cognition.

Read study

Community updates

No updates yet for this supplement.

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At a glance

Users tracking 0

Linked studies 2

Researched benefits 2

Side effects noted 1

Evidence tiers

Each benefit or side effect is rated by how much evidence exists — studies + community reports combined.

🏆 Gold

5+ studies and 500+ community reports. The most well-established evidence available.

🥈 Silver

2+ studies and 200+ community reports. Solid, reproducible evidence with meaningful community backing.

🥉 Bronze

1+ study or 100+ community reports. Early research with growing support.

🔬 Emerging

50+ community reports but no formal studies yet. Patterns observed by users, awaiting research.

💬 Anecdotal

Fewer than 50 reports, no formal studies. Very early or individual observations only.

Tiers are auto-calculated from linked studies and community reports. Always consult a healthcare professional before changing your routine.

Evidence levels

Each linked study is rated by the quality of its research methodology, independent of quantity.

Strong evidence

Multiple RCTs or meta-analyses. The gold standard of clinical research — controlled, repeatable, and peer-reviewed.

Moderate evidence

Single RCT or multiple well-designed observational studies. Solid methodology with some limitations.

Preliminary

Early-stage research — small trials, pilot studies, or limited data. Promising but not yet conclusive.

Weak evidence

Very limited formal research — animal studies, case reports, or mostly user observations.

Evidence levels are assessed per study by our research team. A single strong study can still have limited reach — see evidence tiers for the full picture.

Vitamin E

Reported Benefits

Heart health

Vitamin E - Health Professional Fact Sheet

Eye health

Vitamin E - Health Professional Fact Sheet

Reported Side Effects

Energy levels

Vitamin E - Mayo Clinic

Research (2 studies)

Vitamin E - Health Professional Fact Sheet

Vitamin E - Mayo Clinic

Community updates

At a glance