Vitamin E 관련 Age-Related Cognitive Decline
CHigh-dose vitamin E may slow functional decline in moderate Alzheimer's disease (TEAM-AD trial). Results are mixed for cognitive decline prevention in healthy populations.
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C
결론
High-dose vitamin E may slow functional decline in moderate Alzheimer's disease (TEAM-AD trial). Results are mixed for cognitive decline prevention in healthy populations.
Key Study Findings
Systematic Review
n=80488
Vitamin E and cognitive function: A systematic review of clinical evidence.
Dose: None
vs: None
Outcome: cognitive function / cognitive impairment
효과: None
None
대상 집단: participants from 43 clinical studies (2012-2022)
Review
Exploring the Efficacy and Safety of Nutritional Supplements in Alzheimer's Disease.
Dose: Curcumin 800mg/d, omega-3 2g/d, resveratrol 600mg/d
vs: None
Outcome: Cognitive decline in AD
효과: None
None
대상 집단: Alzheimer's disease patients
Observational Study
n=2713
Open-label
Non-linear association between dietary fiber intake and cognitive function mediated by vitamin E: a cross-sectional …
Dose: Inflection at 29.65 g/day (DSST), 22.65 g/day (composite)
vs: Cross-sectional fiber intake groups
Outcome: Cognitive function composite z-scores (DSST, AFT, CERAD)
효과: β=0.18 per unit fiber below inflection
<0.0001
대상 집단: NHANES adults aged ≥60 years (2011-2014)
Review
The Role of Vitamins in Neurodegeneration: A Brief Review of Mechanisms, Clinical Evidence, and Therapeutic …
Dose: None
vs: None
Outcome: None
효과: None
None
대상 집단: Review of vitamins in neurodegeneration
Review
Bioactive compounds and dietary patterns in Alzheimer's disease.
Dose: None
vs: None
Outcome: AD progression and cognitive decline
효과: None
None
대상 집단: Elderly with or at risk of Alzheimer's disease (review)
Meta-Analysis
Associations between Diet and Cognitive Function in Stroke Survivors: A Systematic Review and Meta-analysis.
Dose: None
vs: Standard care or placebo
Outcome: Global cognition in stroke survivors
효과: SMD=0.62 (energy-protein); SMD=-0.40 (B-vitamins)
0.009 (protein); 0.02 (B-vit)
대상 집단: Adult stroke survivors (20 trials + 14 observational)
Key Statistics
12
연구
3000
참여자
↔
Mixed
C
등급
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Systematic Review
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Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
일반적으로 사용되는 용량
- general:
- 15 mg/day (RDA)
- cognitivesupport:
- 400-800 IU/day
상한량: 1,000 mg/day (1,500 IU natural / 1,100 IU synthetic)
연구에서 사용된 용량
| 용량 | 기간 | 효과 | N |
|---|---|---|---|
| None | -- | Positive | 80488 |
| Curcumin 800mg/d, omega-3 2g/d, resveratrol 600mg/d | -- | Mixed | -- |
| Inflection at 29.65 g/day (DSST), 22.65 g/day (composite) | -- | Positive | 2713 |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
권장 복용 시간: With meals containing fat
Safety & Side Effects
보고된 부작용
- ⚠ Increased bleeding risk at high doses
- ⚠ Nausea and diarrhea
- ⚠ Fatigue and weakness
- ⚠ Blurred vision
알려진 상호작용
- ● Anticoagulants (increased bleeding risk)
- ● Statins and niacin (may reduce HDL-raising effects)
- ● Chemotherapy and radiation (may reduce efficacy)
일일 최대 섭취 허용량: 1,000 mg/day (1,500 IU natural / 1,100 IU synthetic)
건강기능식품을 복용하기 전에 반드시 의료 전문가와 상담하십시오.
Frequently Asked Questions
Does Vitamin E help with Age-Related Cognitive Decline?
Based on 12 studies with 3,000 participants, there is limited but promising evidence that Vitamin E may support Age-Related Cognitive Decline management. Our evidence grade is C (Some Evidence).
How much Vitamin E should I take for Age-Related Cognitive Decline?
Studies have used various dosages. A commonly studied range is 15 mg/day (RDA). Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Vitamin E?
Reported side effects may include Increased bleeding risk at high doses, Nausea and diarrhea, Fatigue and weakness, Blurred vision. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Vitamin E and Age-Related Cognitive Decline?
We rate the evidence as Grade C (Some Evidence). This rating is based on 12 peer-reviewed studies with 3,000 total participants. The overall direction of effect is mixed.
Related Evidence
관련 다른 성분: Age-Related Cognitive Decline
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