What do systematic reviews say?

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

• Vitamin E for Alzheimer's dementia and mild cognitive impairment 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 272 participants
  Moderate

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

Vitamin E (capsules 2000 IU/day in two divided doses) showed no clear difference in adverse events Number of participants reporting ≥ 1 serious adverse… compared with placebo (moderate certainty).

• Vitamin E for Alzheimer's dementia and mild cognitive impairment 2017 · Cochrane Headline outcomes only
  RR 0.86 [0.71, 1.05]
  1 study · 304 participants
  Moderate

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

Vitamin E (capsules 2000 IU/day in two divided doses) showed no clear difference in deaths Number of deaths compared with placebo (moderate certainty).

• Vitamin E for Alzheimer's dementia and mild cognitive impairment 2017 · Cochrane Headline outcomes only
  RR 0.84 [0.52, 1.34]
  1 study · 304 participants
  Moderate

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

• Vitamin E for Alzheimer's dementia and mild cognitive impairment 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 280 participants
  Moderate

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

Vitamin E (capsules 2000 IU/day in two divided doses) showed no clear difference in progression to Alzheimer's disease Number of people progressing to AD compared with placebo (moderate certainty).

• Vitamin E for Alzheimer's dementia and mild cognitive impairment 2017 · Cochrane Headline outcomes only
  RR 1.03 [0.79, 1.35]
  1 study · 516 participants
  Moderate

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

The review found no eligible studies for this question.

• Vitamin E for Alzheimer's dementia and mild cognitive impairment 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

• Vitamin E for Alzheimer's dementia and mild cognitive impairment 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 516 participants
  GRADE not reported

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

Vitamin E (capsules 2000 IU/day in two divided doses) showed no clear difference in death Number of deaths over 36 months compared with placebo (moderate certainty).

• Vitamin E for Alzheimer's dementia and mild cognitive impairment 2017 · Cochrane Headline outcomes only
  RR 1.01 [0.3, 3.44]
  1 study · 516 participants
  Moderate

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

The review found no eligible studies for this question.

• Vitamin E for Alzheimer's dementia and mild cognitive impairment 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found