Effects of a Lutein and Zeaxanthin Intervention on Cognitive Function: A Randomized, Double-Masked, Placebo-Controlled Trial of Younger Healthy Adults.
Nutrients. 2017 Nov 14;9(11):1246. doi: 10.3390/nu9111246.
Nutrients. 2017.
PMID: 29135938
Free PMC article.
Clinical Trial.