Omega-3 Fatty Acids (DHA/EPA) для Age-Related Cognitive Decline

A systematic review of 58 studies found each 2,000 mg/day of omega-3 showed significant improvements in attention, perceptual speed, language, and primary memory. Research suggests a non-linear dose-response with optimal effects at moderate doses under 1,700 mg/day.

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Итог

Key Study Findings

Systematic Review

Impact of Vegan and Vegetarian Diets on Neurological Health: A Critical Review.

Dose: None или: None Outcome: Neurological health outcomes Эффект: None None

Популяция: None

Review

Neuroprotective Role of Omega-3 Fatty Acids: Fighting Alzheimer's Disease.

Dose: None или: None Outcome: None Эффект: None None

Популяция: None

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

Review

Advanced nutraceutical approaches to Parkinson's disease: bridging nutrition and neuroprotection.

Dose: None или: None Outcome: None Эффект: None None

Популяция: None

Review

Nutrition, cognition and chronic kidney disease: A comprehensive review of interactions and interventions.

Dose: None или: None Outcome: None Эффект: None None

Популяция: None

In Vitro

Multiplatform Lipid Analysis of the Brain of Aging Mice by Mass Spectrometry.

Dose: None или: None Outcome: Age-dependent brain lipid changes Эффект: None None

Популяция: Mice: adult (3-4mo), middle-aged (10mo), old (19-21mo)

Key Statistics

Исследования

12000

Участники

↑

Positive

Оценка

Referenced Papers

Impact of Vegan and Vegetarian Diets on Neurological Health: A Critical Review. Systematic Review

Nutrients 2025 22 цитирований

Advanced nutraceutical approaches to Parkinson's disease: bridging nutrition and neuroprotection. Review

Nutritional neuroscience 2025 14 цитирований

Neuroprotective Role of Omega-3 Fatty Acids: Fighting Alzheimer's Disease. Review

Molecules (Basel, Switzerland) 2025 10 цитирований

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

Nutrients 2025 9 цитирований

Nutrition, cognition and chronic kidney disease: A comprehensive review of interactions and interventions. Review

European journal of … 2025 8 цитирований

Multiplatform Lipid Analysis of the Brain of Aging Mice by Mass Spectrometry. Other

Journal of proteome … 2025 8 цитирований

Can supplementation with antioxidants improve cognitive functions in patients with multiple sclerosis? A literature review. Review

Annals of medicine … 2025 3 цитирований

Sarcopenia in the Aging Process: Pathophysiological Mechanisms, Clinical Implications, and Emerging Therapeutic Approaches. Review

International journal of … 2025 3 цитирований

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

Journal of Alzheimer's … 2025 3 цитирований

Vitamin D and omega-3 fatty acids attenuate MSG-induced neurodegeneration by modulating tau pathology, neuroinflammation, and VDR expression in rats. Other

Scientific reports 2025 2 цитирований

Coenzyme Q10 and Cognition: A Review. Review

Nutrients 2025 2 цитирований

The Use of Natural Products for Preventing Cognitive Decline/Providing Neuroprotection. Review

Handbook of experimental … 2025 1 цитирований

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

Asia Pacific journal … 2025 1 цитирований

Targeting Liquid-Liquid Phase Separation and Autophagy in Alzheimer's Disease: Insights into Molecular Mechanisms and Therapeutic Potential. Review

Neurochemical research 2025

Nutritional strategies against dementia in rural populations. Review

Frontiers in nutrition 2025

Review of Pharmacotherapeutic Targets in Alzheimer's Disease and Its Management Using Traditional Medicinal Plants. Review

Degenerative neurological and … 2024 66 цитирований

Curcumin-loaded polymeric nanomaterials as a novel therapeutic strategy for Alzheimer's disease: A comprehensive review. Review

Ageing research reviews 2024 41 цитирований

Fish and Omega-3 Fatty Acids: Sex and Racial Differences in Cardiovascular Outcomes and Cognitive Function. Review

Arteriosclerosis, thrombosis, and … 2024 12 цитирований

Pharmacodynamic and Clinical Effects of Ginkgo Biloba Extract EGb 761 and Its Phytochemical Components in Alzheimer's Disease. Review

Journal of Alzheimer's … 2024 12 цитирований

The effects of omega-3, DHA, EPA, Souvenaid® in Alzheimer's disease: A systematic review and meta-analysis. Meta-Analysis

Neuropsychopharmacology reports 2024 12 цитирований

Comprehensive Insights into Pathophysiology of Alzheimer's Disease: Herbal Approaches for Mitigating Neurodegeneration. Review

Current Alzheimer research 2024 10 цитирований

Omega-3 fatty acids supplementation prevents learning and memory impairment induced by chronic ethanol consumption in adolescent male rats through restoration … Other

International journal of … 2024 8 цитирований

The Role of Omega-3 Fatty Acid Supplementation in Slowing Cognitive Decline Among Elderly Patients With Alzheimer's Disease: A Systematic Review … Review

Cureus 2024 8 цитирований

Zeaxanthin and Lutein Ameliorate Alzheimer's Disease-like Pathology: Modulation of Insulin Resistance, Neuroinflammation, and Acetylcholinesterase Activity in an Amyloid-β Rat Model. Other

International journal of … 2024 4 цитирований

The Relationship of Omega-3 Fatty Acids with Dementia and Cognitive Decline: Evidence from Prospective Cohort Studies of Supplementation, Dietary Intake, … Meta-Analysis

The American journal … 2023 106 цитирований

Omega-3 fatty acids and cognitive function. Review

Current opinion in … 2023 58 цитирований

Efficacy and acceptability of anti-inflammatory eicosapentaenoic acid for cognitive function in Alzheimer's dementia: A network meta-analysis of randomized, placebo-controlled trials … Meta-Analysis

Brain, behavior, and … 2023 36 цитирований

Dietary pattern, food, and nutritional supplement effects on cognitive outcomes in mild cognitive impairment: a systematic review of previous reviews. Other

Nutrition reviews 2023 18 цитирований

Vitamin B12 supplementation improves cognitive function in middle aged and elderly patients with cognitive impairment. RCT

Nutricion hospitalaria 2023 13 цитирований

Effects of Long-Chain Polyunsaturated Fatty Acids in Combination with Lutein and Zeaxanthin on Episodic Memory in Healthy Older Adults. RCT

Nutrients 2023 12 цитирований

Dietary nutrient intake and cognitive function in the Age-Related Eye Disease Studies 1 and 2. Observational

Alzheimer's & dementia … 2023 7 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

Omega-3 fatty acids and blood-based biomarkers in Alzheimer's disease and mild cognitive impairment: A randomized placebo-controlled trial. RCT

Brain, behavior, and … 2022 64 цитирований

Dietary and supplemental long-chain omega-3 fatty acids as moderators of cognitive impairment and Alzheimer's disease. Review

European journal of … 2022 63 цитирований

Structured Long-Chain Omega-3 Fatty Acids for Improvement of Cognitive Function during Aging. Review

International journal of … 2022 39 цитирований

Effect of a Vegan Diet on Alzheimer's Disease. Review

International journal of … 2022 23 цитирований

Associations of erythrocyte omega-3 fatty acids with cognition, brain imaging and biomarkers in the Alzheimer's disease neuroimaging initiative: cross-sectional and … Other

The American journal … 2022 18 цитирований

Serum ω-3 Fatty Acids and Cognitive Domains in Community-Dwelling Older Adults from the NuAge Study: Exploring the Associations with Other … Other

The Journal of … 2022 10 цитирований

Neuroprotective Herbs for the Management of Alzheimer's Disease. Review

Biomolecules 2021 161 цитирований

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

Journal of clinical … 2021 38 цитирований

Dietary Supplement Ingredients for Optimizing Cognitive Performance Among Healthy Adults: A Systematic Review. Systematic Review

Journal of alternative … 2021 13 цитирований

Expert Opinion on Benefits of Long-Chain Omega-3 Fatty Acids (DHA and EPA) in Aging and Clinical Nutrition. Review

Nutrients 2020 173 цитирований

Acetyl-L-Carnitine in Dementia and Other Cognitive Disorders: A Critical Update. Review

Nutrients 2020 72 цитирований

Blood polyunsaturated omega-3 fatty acids, brain atrophy, cognitive decline, and dementia risk. Other

Alzheimer's & dementia … 2020 43 цитирований

Evaluation of Cognitive Performance following Fish-Oil and Curcumin Supplementation in Middle-Aged and Older Adults with Overweight or Obesity. RCT

The Journal of … 2020 33 цитирований

Centella asiatica Water Extract Shows Low Potential for Cytochrome P450-Mediated Drug Interactions. Other

Drug metabolism and … 2020

Recovery of brain DHA-containing phosphatidylserine and ethanolamine plasmalogen after dietary DHA-enriched phosphatidylcholine and phosphatidylserine in SAMP8 mice fed with high-fat … Other

Lipids in health … 2020

Mediterranean diet: The role of long-chain ω-3 fatty acids in fish; polyphenols in fruits, vegetables, cereals, coffee, tea, cacao and … Review

Revue neurologique 2019 361 цитирований

Diet and Inflammation in Cognitive Ageing and Alzheimer's Disease. Review

Current nutrition reports 2019 310 цитирований

Omega-3 fatty acids and cognitive decline: a systematic review. Systematic Review

Nutricion hospitalaria 2019 40 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

Diets for Health: Goals and Guidelines. Review

American family physician 2018 101 цитирований

Botanicals and phytochemicals active on cognitive decline: The clinical evidence. Review

Pharmacological research 2018 67 цитирований

[Nutrition strategies that improve cognitive function]. Review

Nutricion hospitalaria 2018 32 цитирований

Effect of Age and Dietary Intervention on Discrimination Learning in Pet Dogs. Other

Frontiers in psychology 2018 13 цитирований

Nutritional Factors Affecting Adult Neurogenesis and Cognitive Function. Review

Advances in nutrition … 2017 215 цитирований

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

The Annals of … 2017 73 цитирований

Modulation of innate immunity of patients with Alzheimer's disease by omega-3 fatty acids. Review

FASEB journal : … 2017 41 цитирований

Carriers of an apolipoprotein E epsilon 4 allele are more vulnerable to a dietary deficiency in omega-3 fatty acids and … Review

Biochimica et biophysica … 2017 33 цитирований

Omega-3 Polyunsaturated Fatty Acids and Oxylipins in Neuroinflammation and Management of Alzheimer Disease. Review

Advances in nutrition … 2016 148 цитирований

Omega-3 Fatty Acid Status Enhances the Prevention of Cognitive Decline by B Vitamins in Mild Cognitive Impairment. RCT

Journal of Alzheimer's … 2016 128 цитирований

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

Annals of the … 2016 89 цитирований

Omega-3 fatty acids and risk of cognitive decline in the elderly: a meta-analysis of randomized controlled trials. Meta-Analysis

Aging clinical and … 2016 55 цитирований

DHA Supplementation Alone or in Combination with Other Nutrients Does not Modulate Cerebral Hemodynamics or Cognitive Function in Healthy Older … RCT

Nutrients 2016 53 цитирований

Novel insights into the effect of vitamin B₁₂ and omega-3 fatty acids on brain function. Review

Journal of biomedical … 2016

Individually modifiable risk factors to ameliorate cognitive aging: a systematic review and meta-analysis. Meta-Analysis

Climacteric : the … 2015 92 цитирований

Protective Effects of Dietary Supplementation with a Combination of Nutrients in a Transgenic Mouse Model of Alzheimer's Disease. Other

PloS one 2015 11 цитирований

n-3 polyunsaturated fatty acids supplementation enhances hippocampal functionality in aged mice. Other

Frontiers in aging … 2014 111 цитирований

The role for dietary omega-3 fatty acids supplementation in older adults. Review

Nutrients 2014 111 цитирований

Management of cognitive determinants in senile dementia of Alzheimer's type: therapeutic potential of a novel polyherbal drug product. RCT

Clinical drug investigation 2014 54 цитирований

Rationale and clinical data supporting nutritional intervention in Alzheimer's disease. Review

Acta clinica Belgica 2014 44 цитирований

Omega-3 fatty acid supplementation and cognitive function: are smaller dosages more beneficial? Other

International journal of … 2014 23 цитирований

[Contribution of omega-3 fatty acids for memory and cognitive function]. Review

Nutricion hospitalaria 2014 17 цитирований

ω-3 fatty acids in the prevention of cognitive decline in humans. Review

Advances in nutrition … 2013 155 цитирований

Omega-3 fatty acids and brain resistance to ageing and stress: body of evidence and possible mechanisms. Review

Ageing research reviews 2013 135 цитирований

The omega-6/omega-3 ratio and dementia or cognitive decline: a systematic review on human studies and biological evidence. Systematic Review

Journal of nutrition … 2013 108 цитирований

ω-3 fatty acids and domain-specific cognitive aging: secondary analyses of data from WHISCA. Other

Neurology 2013 30 цитирований

The VITamin D and OmegA-3 TriaL (VITAL): rationale and design of a large randomized controlled trial of vitamin D and … RCT

Contemporary clinical trials 2012 522 цитирований

Severe alterations in lipid composition of frontal cortex lipid rafts from Parkinson's disease and incidental Parkinson's disease. Other

Molecular medicine (Cambridge, … 2011 356 цитирований

ω-3 fatty acids and cognitive decline: modulation by ApoEε4 allele and depression. Other

Neurobiology of aging 2011 91 цитирований

Reliability and validity of food frequency questionnaire and nutrient biomarkers in elders with and without mild cognitive impairment. Other

Alzheimer disease and … 2011 52 цитирований

Treatment of memory loss with herbal remedies. Other

Current treatment options … 2011 6 цитирований

Why pleiotropic interventions are needed for Alzheimer's disease. Review

Molecular neurobiology 2010 145 цитирований

Omega-3 fatty acids, cognitive decline, and Alzheimer's disease: a critical review and evaluation of the literature. Review

Journal of Alzheimer's … 2010 97 цитирований

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

The journal of … 2010 70 цитирований

Are omega-3 fatty acids options for prevention and treatment of cognitive decline and dementia? Review

Current opinion in … 2010 60 цитирований

Omega-3 fatty acids and cognitive function in women. Review

Women's health (London, … 2010 48 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

Ginkgo biloba and cognitive decline. Other

JAMA 2010 3 цитирований

Normal cognitive decline or dementia? Other

The Practitioner 2010

Fish consumption, long-chain omega-3 fatty acids and risk of cognitive decline or Alzheimer disease: a complex association. Systematic Review

Nature clinical practice. … 2009 362 цитирований

Ginkgo biloba for preventing cognitive decline in older adults: a randomized trial. RCT

JAMA 2009 304 цитирований

Ginkgo biloba for cognitive impairment and dementia. Meta-Analysis

The Cochrane database … 2009 299 цитирований

Omega-3 fatty acids and dementia. Review

Prostaglandins, leukotrienes, and … 2009 258 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

Cognitive findings of an exploratory trial of docosahexaenoic acid and lutein supplementation in older women. RCT

Nutritional neuroscience 2008 277 цитирований

Nutritional biomarkers in Alzheimer's disease: the association between carotenoids, n-3 fatty acids, and dementia severity. Other

Journal of Alzheimer's … 2008 104 цитирований

Herbal drug treatment. Review

Neuro endocrinology letters 2008

Alzheimer's disease, amnestic mild cognitive impairment, and age-associated memory impairment: current understanding and progress toward integrative prevention. Review

Alternative medicine review … 2008

Ginkgo biloba for cognitive impairment and dementia. Meta-Analysis

The Cochrane database … 2007 375 цитирований

Omega-3 DHA and EPA for cognition, behavior, and mood: clinical findings and structural-functional synergies with cell membrane phospholipids. Review

Alternative medicine review … 2007

Omega-3 fatty acids, energy substrates, and brain function during aging. Review

Prostaglandins, leukotrienes, and … 2006 176 цитирований

Dietary omega-3 Fatty acids and psychiatry: mood, behaviour, stress, depression, dementia and aging. Review

The journal of … 2005 134 цитирований

[Omega-3 fatty acids in psychiatry]. Review

Medecine sciences : … 2005 19 цитирований

Folic acid with or without vitamin B12 for cognition and dementia. Systematic Review

The Cochrane database … 2003 263 цитирований

Omega-3 fatty acids and risk of cognitive impairment and dementia. Other

Journal of Alzheimer's … 2003 161 цитирований

Health benefits of docosahexaenoic acid (DHA). Review

Pharmacological research 1999 1060 цитирований

A review of nutrients and botanicals in the integrative management of cognitive dysfunction. Review

Alternative medicine review … 1999 112 цитирований

Dosage & Usage

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

Часто используемые дозировки

general:: 1,000-2,000 mg combined DHA/EPA per day
cognitivesupport:: 1,000-1,700 mg/day (optimal dose-response curve)

Верхний предел: 3,000 mg/day combined DHA/EPA (FDA GRAS)

Дозировки, изученные в исследованиях

Дозировка	Длительность	Эффект	N
None	--	Mixed	--
None	--	Mixed	--
Curcumin 800mg/d, omega-3 2g/d, resveratrol 600mg/d	--	Mixed	--
None	--	Mixed	--
None	--	Mixed	--
None	--	Mixed	--
Vit D 1 mcg/kg + N-3 PUFA 300 mg/kg EPA+DHA	4 weeks	Positive	50
None	--	Mixed	--

Лучшее время приёма: With meals containing fat for better absorption

Safety & Side Effects

Зарегистрированные побочные эффекты

⚠ Fishy aftertaste or burping
⚠ Mild gastrointestinal discomfort
⚠ Potential increased bleeding time at very high doses
⚠ May lower blood pressure slightly

Известные взаимодействия

● Anticoagulants and antiplatelet drugs (may increase bleeding risk at high doses)
● Blood pressure medications (additive hypotensive effect)
● Orlistat (may reduce omega-3 absorption)

Допустимый верхний уровень потребления: 3,000 mg/day combined DHA/EPA (FDA GRAS)

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

Frequently Asked Questions

Does Omega-3 Fatty Acids (DHA/EPA) help with Age-Related Cognitive Decline?

Based on 58 studies with 12,000 participants, there is strong evidence from multiple clinical trials that Omega-3 Fatty Acids (DHA/EPA) may support Age-Related Cognitive Decline management. Our evidence grade is A (Strong Evidence).

How much Omega-3 Fatty Acids (DHA/EPA) should I take for Age-Related Cognitive Decline?

Studies have used various dosages. A commonly studied range is 1,000-2,000 mg combined DHA/EPA per day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Omega-3 Fatty Acids (DHA/EPA)?

Reported side effects may include Fishy aftertaste or burping, Mild gastrointestinal discomfort, Potential increased bleeding time at very high doses, May lower blood pressure slightly. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Omega-3 Fatty Acids (DHA/EPA) and Age-Related Cognitive Decline?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 58 peer-reviewed studies with 12,000 total participants. The overall direction of effect is positive.

Related Evidence

Другие ингредиенты для Age-Related Cognitive Decline

Phosphatidylserine B Bacopa monnieri B Vitamin B12 B Curcumin B Ginkgo biloba C Panax Ginseng C

Omega-3 Fatty Acids (DHA/EPA) для других состояний

Mild Cognitive Impairment (MCI) B Depression-Related Cognitive Dysfunction B Cerebrovascular Health B Attention & Focus Difficulties C

Краткий вывод

Evidence Strength92%

High confidence

Разбор исследований

RCT (12)Meta (7)Other (39)

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