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Lutein & Zeaxanthin для Age-Related Cognitive Decline

C

A 6-month RCT showed macular xanthophylls increased serum BDNF, reduced IL-1beta, and improved composite memory, psychomotor speed, and sustained attention. Macular pigment optical density correlates with cognitive performance.

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C

Итог

A 6-month RCT showed macular xanthophylls increased serum BDNF, reduced IL-1beta, and improved composite memory, psychomotor speed, and sustained attention. Macular pigment optical density correlates with cognitive performance.

Key Study Findings

Cohort Study n=1550 270 weeks
Low Intake of Total Antioxidant Nutrients as a Risk Factor for Incident Dementia in Older …
Dose: >=112 mg/day vs <112 mg/day или: Low AN intake (<112 mg/day) Outcome: Incident dementia Эффект: HR 1.87 (95% CI 1.26-2.77) None

Популяция: Community residents without dementia aged >=60 years

In Vitro
Construction and In Vitro Evaluation of Brain-Targeted Lutein Liposomes.
Dose: None или: Free lutein Outcome: BBB permeability and lutein stability Эффект: 22.73% BBB permeability at 12h None

Популяция: In vitro BBB model and stability tests

Review
Carotenoids for Antiaging: Nutraceutical, Pharmaceutical, and Cosmeceutical Applications.
Dose: None или: None Outcome: None Эффект: None None

Популяция: systematic review of carotenoids for antiaging (nutraceutical, pharmaceutical, cosmeceutical)

Observational Study n=72
Association of Habitual Diet Quality and Nutrient Intake with Cognitive Performance in Community-Dwelling Older Adults: …
Dose: None или: None Outcome: Cognitive performance (CERAD battery) Эффект: None 0.007 (fiber), 0.004 (K)

Популяция: Community-dwelling older adults aged 65+

Review
Therapeutic Potentials of the Seaweed-Derived Compounds for Alzheimer's Disease.
Dose: None или: None Outcome: None Эффект: None None

Популяция: None

Observational Study n=60
Vascular Roads to a Healthier Brain: Lutein Moderates the Influence of Arterial Stiffness on Cognitive …
Dose: None или: None Outcome: Carotenoid moderation of cfPWV-cognition relationship Эффект: Beta=0.53, p=0.04 for lutein moderation 0.02

Популяция: Adults, mean age 38.6, 70% female

Key Statistics

8

Исследования

600

Участники

Positive

C

Оценка

Referenced Papers

Pharmaceuticals (Basel, Switzerland) 2025 28 цитирований
Foods (Basel, Switzerland) 2025 1 цитирований
International journal of … 2024 11 цитирований
Nutricion hospitalaria 2024 4 цитирований
Alzheimer's & dementia … 2023 7 цитирований
Molecules (Basel, Switzerland) 2021 26 цитирований
Nutrition research (New … 2021 17 цитирований
Nutritional neuroscience 2020 72 цитирований
Nutricion hospitalaria 2018 32 цитирований
Free radical biology … 2017 37 цитирований
The British journal … 2015 62 цитирований
Zhonghua yu fang … 2015 4 цитирований
Asia Pacific journal … 2002 24 цитирований

Dosage & Usage

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

Часто используемые дозировки

general:
10-20 mg lutein + 2-4 mg zeaxanthin/day
cognitivesupport:
12 mg lutein + zeaxanthin/day

Верхний предел: Not established; 20 mg/day well-tolerated

Дозировки, изученные в исследованиях

Дозировка Длительность Эффект N
>=112 mg/day vs <112 mg/day 270 weeks Positive 1550
None -- Positive --
None -- Positive --
None -- Positive 72
None -- Mixed --
None -- Positive 60
None 156 weeks Positive 442
MIND, Mediterranean, DASH, HEI-2015 diets -- Positive --

Лучшее время приёма: With meals containing fat

Safety & Side Effects

Зарегистрированные побочные эффекты

  • Generally very well-tolerated
  • Mild skin yellowing at very high doses (carotenodermia, harmless)

Известные взаимодействия

  • Orlistat (reduces carotenoid absorption)
  • Cholesterol-lowering drugs (may reduce absorption)

Допустимый верхний уровень потребления: Not established; 20 mg/day well-tolerated

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

Frequently Asked Questions

Does Lutein & Zeaxanthin help with Age-Related Cognitive Decline?
Based on 8 studies with 600 participants, there is limited but promising evidence that Lutein & Zeaxanthin may support Age-Related Cognitive Decline management. Our evidence grade is C (Some Evidence).
How much Lutein & Zeaxanthin should I take for Age-Related Cognitive Decline?
Studies have used various dosages. A commonly studied range is 10-20 mg lutein + 2-4 mg zeaxanthin/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Lutein & Zeaxanthin?
Reported side effects may include Generally very well-tolerated, Mild skin yellowing at very high doses (carotenodermia, harmless). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Lutein & Zeaxanthin and Age-Related Cognitive Decline?
We rate the evidence as Grade C (Some Evidence). This rating is based on 8 peer-reviewed studies with 600 total participants. The overall direction of effect is positive.

Related Evidence

Отказ от ответственности FDA: Данные утверждения не были оценены Управлением по санитарному надзору за качеством пищевых продуктов и медикаментов (FDA). Продукты и информация на этом сайте не предназначены для диагностики, лечения, излечения или профилактики каких-либо заболеваний. Представленные оценки доказательности основаны на нашем анализе опубликованных рецензируемых исследований и не являются медицинской консультацией. Всегда консультируйтесь с лечащим врачом перед началом приёма любых добавок.