Lutein May Help Improve Memory
Lutein is a type of vitamin called a carotenoid and act as antioxidants in the body. Foods rich in lutein include egg yolks, broccoli, spinach, kale, corn, orange pepper, kiwi fruit, grapes, orange juice, zucchini, and squash. A recent study has found that long-term consumption of lutein may help improve memory.
Researchers from Tohoku University reviewed five studies that evaluated the effect of oral lutein intake on cognitive functions in healthy adults. Validated measurement techniques were used to measure overall cognitive function, memory, executive function, attention, and verbal fluency.
The researchers found that supplementation of 10 mg of lutein daily for 12 months had resulted in significant improvement in visual episodic memory, verbal episodic memory, inhibition, and attention. No Improvement was seen in verbal episodic memory, working memory, reasoning, shifting, or processing speed.
The study was published online ahead of print on February 27, 2020 in the journal Nutrients.