topicAcetyl-L-Carnitine Cognition Meta-Analysis
claimAdditionally, we performed a risk-of-bias analysis of the studies compatible with the RoB2 tool.
evidence level1
citationTortajada J (2026)
sourceClinical outcomes of mitochondrial-enhancing nutraceutical supplementation in psychiatric disorders: A systematic review.
topicAcetyl-L-Carnitine Cognition Meta-Analysis
claimOverall, the risk of bias was high, and the methodological quality was generally low.
evidence level1
citationTortajada J (2026)
sourceClinical outcomes of mitochondrial-enhancing nutraceutical supplementation in psychiatric disorders: A systematic review.
topicAcetyl-L-Carnitine Cognition Meta-Analysis
claimBackground Nutraceutical supplementation targeting mitochondrial function has been proposed as a beneficial therapeutic strategy to improve physical and mental health in psychiatric patients.
evidence level1
citationTortajada J (2026)
sourceClinical outcomes of mitochondrial-enhancing nutraceutical supplementation in psychiatric disorders: A systematic review.
topicAcetyl-L-Carnitine Cognition Meta-Analysis
claimAims To summarise the results of studies evaluating nutraceutical supplementation targeting mitochondrial function in patients with psychiatric disorders.
evidence level1
citationTortajada J (2026)
sourceClinical outcomes of mitochondrial-enhancing nutraceutical supplementation in psychiatric disorders: A systematic review.
topicAcetyl-L-Carnitine Cognition Meta-Analysis
claimMendelian randomization (MR) presents a causal inference methodology to examine the effect of modifiable exposure on a disease by leveraging genetic variants to provide evidence of robust associations.
evidence level4
citationLuan Sisi (2025)
sourceThe Effect of Acylcarnitines on Cognitive Function: A Two‐Sample Mendelian Randomization Study
topicAcetyl-L-Carnitine Cognition Meta-Analysis
claimS1 Our study adopted the TSMR design, an approach that leverages genetic variants as instrumental variables and utilizes summary statistics from two independent samples, which could minimize confounding and reverse causation and provide more robust evidence for causality.
evidence level4
citationLuan Sisi (2025)
sourceThe Effect of Acylcarnitines on Cognitive Function: A Two‐Sample Mendelian Randomization Study
topicAcetyl-L-Carnitine Cognition Meta-Analysis
claimIndex SNPs (< 0.01 with any other associated SNPs within 10 Mb) with the lowest‐value were retained.
evidence level4
citationLuan Sisi (2025)
sourceThe Effect of Acylcarnitines on Cognitive Function: A Two‐Sample Mendelian Randomization Study
topicAcetyl-L-Carnitine Cognition Meta-Analysis
claim2020 2019 2015 2021 2011 2014 Cognitive dysfunction is defined as deficits in one or more cognitive domains, including but not limited to memory, executive function, language, and spatial ability (Srikanth et al.).
evidence level4
citationLuan Sisi (2025)
sourceThe Effect of Acylcarnitines on Cognitive Function: A Two‐Sample Mendelian Randomization Study