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Acetyl-L-carnitine
supplement Under reviewAn amino acid derivative that plays a key role in energy production and brain health
Research summary
Scientific evidence on acetyl-L-carnitine in healthy humans is limited, with most robust studies focusing on cognitive effects in those with mild impairments rather than fully healthy individuals. Available data from meta-analyses and trials suggest potential benefits for cognitive performance and exercise recovery, but results are mixed and often derived from broader carnitine research. Consensus indicates moderate evidence for brain health support in early cognitive decline, with preliminary findings for physical performance enhancement in active adults; however, large-scale trials in truly healthy subjects are scarce.
Reported Benefits
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Meta-analysis of 21 clinical trials on acetyl-L-carnitine for mild cognitive impairment and mild Alzheimer's
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Cochrane Review of 15 clinical trials on acetyl-L-carnitine for dementia and cognitive decline
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No reports yet
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Review of 17 studies on L-carnitine in recreationally active adults
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The bright and the dark sides of L-carnitine supplementation: a systematic review.
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No reports yet
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Review of 17 studies on L-carnitine in recreationally active adults
Not specified in source
No reports yet
Be the first to report this effect and help the community.
Add Acetyl-l-carnitine to your stack to report effects
Review of 17 studies on L-carnitine in recreationally active adults
Not specified in source
No side effects tracked yet
No side effects have been reported by studies or users for this habit yet.
Research (4 studies)
Review of 17 studies on L-carnitine in recreationally active adults
Not specified in source
The bright and the dark sides of L-carnitine supplementation: a systematic review.
Not specified in source
Meta-analysis of 21 clinical trials on acetyl-L-carnitine for mild cognitive impairment and mild Alzheimer's
Not specified in source
Cochrane Review of 15 clinical trials on acetyl-L-carnitine for dementia and cognitive decline
Not specified in source
Community updates
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