Vitamin E для Age-Related Cognitive Decline

Q: 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).

Q: 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.

Q: 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.

Q: 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.

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.

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Итог

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 или: None Outcome: cognitive function / cognitive impairment Эффект: None None

Популяция: 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 или: None Outcome: Cognitive decline in AD Эффект: None None

Популяция: 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) или: Cross-sectional fiber intake groups Outcome: Cognitive function composite z-scores (DSST, AFT, CERAD) Эффект: β=0.18 per unit fiber below inflection <0.0001

Популяция: 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 или: None Outcome: None Эффект: None None

Популяция: Review of vitamins in neurodegeneration

Review

Bioactive compounds and dietary patterns in Alzheimer's disease.

Dose: None или: None Outcome: AD progression and cognitive decline Эффект: None None

Популяция: 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 или: Standard care or placebo Outcome: Global cognition in stroke survivors Эффект: SMD=0.62 (energy-protein); SMD=-0.40 (B-vitamins) 0.009 (protein); 0.02 (B-vit)

Популяция: Adult stroke survivors (20 trials + 14 observational)

Key Statistics

Исследования

3000

Участники

↔

Mixed

Оценка

Referenced Papers

Vitamin E and cognitive function: A systematic review of clinical evidence. Systematic Review

Nutrition research (New … 2026

Exploring the Efficacy and Safety of Nutritional Supplements in Alzheimer's Disease. Review

Nutrients 2025 9 цитирований

Bioactive compounds and dietary patterns in Alzheimer's disease. Review

Journal of Alzheimer's … 2025 3 цитирований

Non-linear association between dietary fiber intake and cognitive function mediated by vitamin E: a cross-sectional study in older adults. Other

Frontiers in nutrition 2025 2 цитирований

The Role of Vitamins in Neurodegeneration: A Brief Review of Mechanisms, Clinical Evidence, and Therapeutic Perspectives. Review

Psychogeriatrics : the … 2025 2 цитирований

Low Intake of Total Antioxidant Nutrients as a Risk Factor for Incident Dementia in Older Adults: The Shanghai Aging Study. Other

Neuroepidemiology 2025 1 цитирований

Associations between Diet and Cognitive Function in Stroke Survivors: A Systematic Review and Meta-analysis. Meta-Analysis

Advances in nutrition … 2025 1 цитирований

Effects of plant-derived dietary antioxidants on Alzheimer's disease: Focus on ferroptosis. Review

Asia Pacific journal … 2025 1 цитирований

Cognitive Decline and Vitamins. Review

American journal of … 2025

Oxidative Stress in Alzheimer's Disease: The Shortcomings of Antioxidant Therapies. Review

Journal of Alzheimer's … 2024 17 цитирований

The Impact of Vitamin E Supplementation on Oxidative Stress, Cognitive Functions, and Aging-Related Gene Expression in Aged Mice. Other

Food science & … 2024 11 цитирований

Neuronal Cell Rearrangement During Aging: Antioxidant Compounds as a Potential Therapeutic Approach. Review

Cells 2024 4 цитирований

The Role of Dietary Antioxidants and Their Potential Mechanisms in Alzheimer's Disease Treatment. Review

Metabolites 2023 13 цитирований

Higher intake of certain nutrients among older adults is associated with better cognitive function: an analysis of NHANES 2011-2014. Other

BMC nutrition 2023 10 цитирований

Effect of antioxidant intake patterns on risks of dementia and cognitive decline. Meta-Analysis

European geriatric medicine 2023 10 цитирований

Association between dietary vitamin E intake and cognitive decline among old American: National Health and Nutrition Examination Survey. Other

European geriatric medicine 2023 3 цитирований

Association of Vitamin E and Cognitive Decline in Older Adults with and without the APOEɛ4 Allele: A Biracial Population-Based Community … Other

Journal of Alzheimer's … 2023 2 цитирований

Omega-3 fatty acid, carotenoid and vitamin E supplementation improves working memory in older adults: A randomised clinical trial. RCT

Clinical nutrition (Edinburgh, … 2022 87 цитирований

Vitamin Supplementation and Dementia: A Systematic Review. Systematic Review

Nutrients 2022 76 цитирований

Plants, Plants, and More Plants: Plant-Derived Nutrients and Their Protective Roles in Cognitive Function, Alzheimer's Disease, and Other Dementias. Review

Medicina (Kaunas, Lithuania) 2022 26 цитирований

Influence of a 12-Month Structured Exercise Program on the Micronutrient-Cognitive Fitness-Physical Association Profiles in Mild Cognitive Impairment. Other

Journal of Alzheimer's … 2022 4 цитирований

The effects of twenty-one nutrients and phytonutrients on cognitive function: A narrative review. Review

Journal of clinical … 2021 38 цитирований

A meta-analysis of peripheral tocopherol levels in age-related cognitive decline and Alzheimer's disease. Meta-Analysis

Nutritional neuroscience 2021 34 цитирований

The Role of Vitamin E in Slowing Down Mild Cognitive Impairment: A Narrative Review. Review

Healthcare (Basel, Switzerland) 2021 7 цитирований

Prevention of Cognitive Decline in Alzheimer's Disease by Novel Antioxidative Supplements. Review

International journal of … 2020 52 цитирований

Can Nutritional Adequacy Help Evade Neurodegeneration in Older Age? A Review. Review

Cureus 2020 5 цитирований

Serum xanthophyll carotenoids are associated with estimated glomerular filtration rate in an aged cohort. Other

Scientific reports 2019 6 цитирований

Combining a high DHA multi-nutrient supplement with aerobic exercise: Protocol for a randomised controlled study assessing mobility and cognitive function … Other

Prostaglandins, leukotrienes, and … 2019 5 цитирований

Nutrients and bioactives in green leafy vegetables and cognitive decline: Prospective study. Observational

Neurology 2018 159 цитирований

Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with mild cognitive impairment. Meta-Analysis

The Cochrane database … 2018 128 цитирований

Over-the-Counter Supplement Interventions to Prevent Cognitive Decline, Mild Cognitive Impairment, and Clinical Alzheimer-Type Dementia: A Systematic Review. Systematic Review

Annals of internal … 2018 119 цитирований

Use of Vitamin E and C Supplements for the Prevention of Cognitive Decline. Other

The Annals of … 2017 73 цитирований

Effects of sulforaphane and vitamin E on cognitive disorder and oxidative damage in lead-exposed mice hippocampus at lactation. Other

Journal of trace … 2017 24 цитирований

Nutrition and risk of dementia: overview and methodological issues. Review

Annals of the … 2016 162 цитирований

Nutrient intake, nutritional status, and cognitive function with aging. Review

Annals of the … 2016 89 цитирований

Vitamin E family: Role in the pathogenesis and treatment of Alzheimer's disease. Review

Alzheimer's & dementia … 2016 62 цитирований

A Phase II Randomized Clinical Trial of a Nutritional Formulation for Cognition and Mood in Alzheimer's Disease. RCT

Journal of Alzheimer's … 2015 112 цитирований

CSF tau and tau/Aβ42 predict cognitive decline in Parkinson's disease. RCT

Parkinsonism & related … 2015 100 цитирований

Diet and cognitive decline at middle age: the role of antioxidants. Other

The British journal … 2015 62 цитирований

Effect of Vitamin Intake on Cognitive Decline in Older Adults: Evaluation of the Evidence. Review

The journal of … 2015 25 цитирований

Effects of vitamin E on cognitive performance during ageing and in Alzheimer's disease. Review

Nutrients 2014 118 цитирований

Consideration of nutrient levels in studies of cognitive decline. Review

Nutrition reviews 2014 25 цитирований

Relationship between Serum and Brain Carotenoids, α-Tocopherol, and Retinol Concentrations and Cognitive Performance in the Oldest Old from the Georgia … Other

Journal of aging … 2013 253 цитирований

Dietary antioxidants, cognitive function and dementia--a systematic review. Systematic Review

Plant foods for … 2013 155 цитирований

Antioxidant nutrients and age-related cognitive decline: a systematic review of population-based cohort studies. Systematic Review

European journal of … 2013 61 цитирований

Micronutrients supplementation and nutritional status in cognitively impaired elderly persons: a two-month open label pilot study. Other

Nutrition journal 2013 26 цитирований

Neuroacanthocytosis syndromes. Review

Orphanet journal of … 2011 158 цитирований

Treatment of Alzheimer disease. Other

American family physician 2011

A vitamin/nutriceutical formulation improves memory and cognitive performance in community-dwelling adults without dementia. RCT

The journal of … 2010 70 цитирований

Supplementing cognitive aging: a selective review of the effects of ginkgo biloba and a number of everyday nutritional substances. Review

Experimental aging research 2010 21 цитирований

Vitamin E, vitamin C, beta carotene, and cognitive function among women with or at risk of cardiovascular disease: The Women's … RCT

Circulation 2009 139 цитирований

Dietary supplementation with a combination of alpha-lipoic acid, acetyl-L-carnitine, glycerophosphocoline, docosahexaenoic acid, and phosphatidylserine reduces oxidative damage to murine brain … Other

Nutrition research (New … 2009 65 цитирований

Effects of Pycnogenol and vitamin E on cognitive deficits and oxidative damage induced by intracerebroventricular streptozotocin in rats. Other

Behavioural pharmacology 2009 49 цитирований

Aging brain: prevention of oxidative stress by vitamin E and exercise. Review

TheScientificWorldJournal 2009 38 цитирований

Improvement of short-term memory performance in aged beagles by a nutraceutical supplement containing phosphatidylserine, Ginkgo biloba, vitamin E, and pyridoxine. Other

The Canadian veterinary … 2008

Antioxidants and prevention of cognitive decline: does duration of use matter? Other

Archives of internal … 2007 16 цитирований

Circulating biomarkers of cognitive decline and dementia. Review

Clinica chimica acta; … 2006 134 цитирований

Vitamin E and cognitive decline in older persons. Other

Archives of neurology 2002 354 цитирований

Antioxidant strategies for Alzheimer's disease. Review

The Proceedings of … 2002 191 цитирований

Eating well: ageing gracefully! Review

Asia Pacific journal … 2002 24 цитирований

Nutrients, age and cognitive function. Review

Current opinion in … 1998 30 цитирований

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Часто используемые дозировки

general:: 15 mg/day (RDA)
cognitivesupport:: 400-800 IU/day

Верхний предел: 1,000 mg/day (1,500 IU natural / 1,100 IU synthetic)

Дозировки, изученные в исследованиях

Дозировка	Длительность	Эффект	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	--

Лучшее время приёма: With meals containing fat

Safety & Side Effects

Зарегистрированные побочные эффекты

⚠ Increased bleeding risk at high doses
⚠ Nausea and diarrhea
⚠ Fatigue and weakness
⚠ Blurred vision

Известные взаимодействия

● Anticoagulants (increased bleeding risk)
● Statins and niacin (may reduce HDL-raising effects)
● Chemotherapy and radiation (may reduce efficacy)

Допустимый верхний уровень потребления: 1,000 mg/day (1,500 IU natural / 1,100 IU synthetic)

Всегда консультируйтесь с врачом перед началом приёма любых добавок.Всегда консультируйтесь с лечащим врачом перед началом приёма любой добавки.

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

Другие ингредиенты для Age-Related Cognitive Decline

Omega-3 Fatty Acids (DHA/EPA) A Phosphatidylserine B Bacopa monnieri B Vitamin B12 B Curcumin B Ginkgo biloba C

Краткий вывод

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.

Evidence Strength52%

Moderate confidence

Разбор исследований

RCT (5)Meta (4)Other (3)

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