Acetyl-L-Carnitine cho Age-Related Cognitive Decline

Mixed results in healthy adults but more consistently positive outcomes in elderly populations with existing cognitive concerns. Used as a prescription drug in some European countries for cognitive impairment.

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Key Study Findings

Randomized Controlled Trial

Comparative study of choline alfoscerate as a combination therapy with donepezil: A mixed double-blind randomized …

Dose: None so với: None Outcome: Cognitive decline Hiệu quả: None None

Đối tượng nghiên cứu: Alzheimer's disease patients

Systematic Review

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

Dose: None so với: None Outcome: None Hiệu quả: None None

Đối tượng nghiên cứu: None

Review

Chronic pain and adult hippocampal neurogenesis: translational implications from preclinical studies.

Dose: None so với: None Outcome: None Hiệu quả: None None

Đối tượng nghiên cứu: Chronic pain patients (preclinical review)

Review

Alpha-synuclein, epigenetics, mitochondria, metabolism, calcium traffic, & circadian dysfunction in Parkinson's disease. An integrated strategy …

Dose: None so với: None Outcome: None Hiệu quả: None None

Đối tượng nghiên cứu: Parkinson's disease patients

Controlled Clinical Trial

Effect of mitochondrial cofactors and antioxidants supplementation on cognition in the aged canine.

Dose: mitochondrial cofactors + antioxidants so với: control diet Outcome: cognitive function in aged dogs Hiệu quả: improved learning and memory None

Đối tượng nghiên cứu: Aged beagle dogs

Randomized Controlled Trial n=106 Double-blind

A Phase II Randomized Clinical Trial of a Nutritional Formulation for Cognition and Mood in …

Dose: None so với: placebo Outcome: None Hiệu quả: None p = 0.0083

Đối tượng nghiên cứu: Alzheimer's disease patients

Key Statistics

Nghiên cứu

1000

Người tham gia

↑

Positive

Xếp hạng

Referenced Papers

Comparative study of choline alfoscerate as a combination therapy with donepezil: A mixed double-blind randomized controlled and open-label observation trial. RCT

Medicine 2024 3 trích dẫn

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

Nutrients 2020 72 trích dẫn

Alpha-synuclein, epigenetics, mitochondria, metabolism, calcium traffic, & circadian dysfunction in Parkinson's disease. An integrated strategy for management. Review

Ageing research reviews 2017 56 trích dẫn

Chronic pain and adult hippocampal neurogenesis: translational implications from preclinical studies. Other

Journal of pain … 2017 49 trích dẫn

Effect of mitochondrial cofactors and antioxidants supplementation on cognition in the aged canine. Other

Neurobiology of aging 2016 19 trích dẫn

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 trích dẫn

Pharmacological interventions for cognitive decline in people with Down syndrome. Meta-Analysis

The Cochrane database … 2015 33 trích dẫn

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

Frontiers in aging … 2014 111 trích dẫn

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

The journal of … 2010 70 trích dẫn

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 trích dẫn

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

Alternative medicine review … 2008

Acetyl-L-carnitine and alpha-lipoic acid supplementation of aged beagle dogs improves learning in two landmark discrimination tests. Other

FASEB journal : … 2007 52 trích dẫn

Acetyl-L-carnitine for dementia. Systematic Review

The Cochrane database … 2003 94 trích dẫn

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

Alternative medicine review … 1999 112 trích dẫn

[Methodology of a clinical controlled study of L-acetylcarnitine]. CCT

La Clinica terapeutica 1990 3 trích dẫn

Pharmaco-electroencephalographic and clinical effects of the cholinergic substance--acetyl-L-carnitine--in patients with organic brain syndrome. RCT

International journal of … 1990

Dosage & Usage

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

Liều lượng thường dùng

general:: 500-2,000 mg/day
cognitivesupport:: 1,500-3,000 mg/day

Giới hạn trên: Well-tolerated up to 3,000 mg/day

Liều lượng đã nghiên cứu

Liều lượng	Thời gian	Hiệu quả	N
None	--	Positive	--
None	--	Positive	--
None	--	Mixed	--
None	--	Mixed	--
mitochondrial cofactors + antioxidants	--	Positive	--
None	--	Positive	106
None	--	Positive	427
None	8.0 weeks	Positive	--

Thời điểm dùng tốt nhất: Morning, on empty stomach or with meals

Safety & Side Effects

Tác dụng phụ đã được báo cáo

⚠ Gastrointestinal discomfort (nausea, vomiting, diarrhea)
⚠ Fishy body odor
⚠ Restlessness or insomnia
⚠ Increased appetite

Tương tác đã biết

● Anticoagulants (may increase bleeding risk)
● Thyroid medications (may enhance thyroid hormone effects)
● AZT (antiretroviral — may reduce neuropathy)

Mức hấp thụ tối đa cho phép: Well-tolerated up to 3,000 mg/day

Luôn tham khảo ý kiến bác sĩ trước khi bắt đầu sử dụng bất kỳ thực phẩm bổ sung nào.Luôn tham khảo ý kiến chuyên gia y tế trước khi sử dụng bất kỳ thực phẩm chức năng nào.

Frequently Asked Questions

Does Acetyl-L-Carnitine help with Age-Related Cognitive Decline?

Based on 14 studies with 1,000 participants, there is limited but promising evidence that Acetyl-L-Carnitine may support Age-Related Cognitive Decline management. Our evidence grade is C (Some Evidence).

How much Acetyl-L-Carnitine should I take for Age-Related Cognitive Decline?

Studies have used various dosages. A commonly studied range is 500-2,000 mg/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Acetyl-L-Carnitine?

Reported side effects may include Gastrointestinal discomfort (nausea, vomiting, diarrhea), Fishy body odor, Restlessness or insomnia, Increased appetite. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Acetyl-L-Carnitine and Age-Related Cognitive Decline?

We rate the evidence as Grade C (Some Evidence). This rating is based on 14 peer-reviewed studies with 1,000 total participants. The overall direction of effect is positive.

Related Evidence

Các thành phần khác cho Age-Related Cognitive Decline

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

Acetyl-L-Carnitine cho các tình trạng khác

Oxidative Stress & Neuroinflammation C

Đánh giá nhanh

Evidence Strength52%

Moderate confidence

Phân tích nghiên cứu

RCT (4)Meta (1)Other (9)

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