Cochrane · systematic review · CD009374
L‐carnitine for cognitive enhancement in people without cognitive impairment
Chen, N, Yang, M, Zhou, M, et al. · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library
Dementia and Cognitive ImprovementAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
5
current version
GRADE rated
5
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 5 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Questions and results
L‐carnitine compared to placebo for cognitive enhancement in people without cognitive impairment
Population: healthy young women
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Reaction time (8 lamps) L‐carnitine vs placebo | no estimate extracted | 1 study · 200 participants | Very low Downgraded: risk of bias, imprecision, indirectness |
Vigilance L‐carnitine vs placebo | no estimate extracted | 1 study · 200 participants | Very low Downgraded: risk of bias, imprecision, indirectness |
Immediate memory L‐carnitine vs placebo | no estimate extracted | 1 study · 200 participants | Very low Downgraded: risk of bias, imprecision, indirectness |
Delayed memory L‐carnitine vs placebo | no estimate extracted | 1 study · 200 participants | Very low Downgraded: risk of bias, imprecision, indirectness |
Adverse effects ‐ not reported L‐carnitine vs placebo | no estimate extracted | NR | Very low Downgraded: risk of bias, imprecision, indirectness |