topicLutein Visual Cognition Randomized Trial
claimResults Compared to the placebo, lutein and zeaxanthin supplementation was associated with greater improvements in visual episodic memory ( p = 0.005) and visual learning ( p = 0.001).
evidence level2
citationLopresti AL (2022)
sourceThe Effects of Lutein and Zeaxanthin Supplementation on Cognitive Function in Adults With Self-Reported Mild Cognitive Complaints: A Randomized, Double-Blind, Placebo-Controlled Study.
topicLutein Visual Cognition Randomized Trial
claimConclusion The results from this trial suggest that 6-months of supplementation with lutein and zeaxanthin may improve visual memory and learning in community-dwelling adults with self-reported cognitive complaints.
evidence level2
citationLopresti AL (2022)
sourceThe Effects of Lutein and Zeaxanthin Supplementation on Cognitive Function in Adults With Self-Reported Mild Cognitive Complaints: A Randomized, Double-Blind, Placebo-Controlled Study.
topicLutein Visual Cognition Randomized Trial
claimBackground Lutein and zeaxanthin are fat-soluble, dietary carotenoids with high concentrations in human brain tissue.
evidence level2
citationLopresti AL (2022)
sourceThe Effects of Lutein and Zeaxanthin Supplementation on Cognitive Function in Adults With Self-Reported Mild Cognitive Complaints: A Randomized, Double-Blind, Placebo-Controlled Study.
topicLutein Visual Cognition Randomized Trial
claimThere have been a number studies confirming an association between lutein and zeaxanthin and cognitive function.
evidence level2
citationLopresti AL (2022)
sourceThe Effects of Lutein and Zeaxanthin Supplementation on Cognitive Function in Adults With Self-Reported Mild Cognitive Complaints: A Randomized, Double-Blind, Placebo-Controlled Study.
topicLutein Visual Cognition Randomized Trial
claimIntroduction The purpose of this study was to examine the influence of nutritional intake on visual perceptual-cognitive performance (VCP) in young healthy adults.
evidence level4
citationBeathard KM (2023)
sourceThe impact of nutrition on visual cognitive performance in the nutrition, vision, and cognition in sport study.
topicLutein Visual Cognition Randomized Trial
claimMethods Ninety-eight healthy men ( n = 38) and women ( n = 60) aged 18-33 years participated and maintained their usual dietary intake throughout the study.
evidence level4
citationBeathard KM (2023)
sourceThe impact of nutrition on visual cognitive performance in the nutrition, vision, and cognition in sport study.