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We explain why researchers include this ingredient in study formulas
A recent systematic review and meta-analysis of 21 randomized, placebo-controlled trials examining the effect of B-vitamin supplementation found the supplementation decreased homocysteine concentrations and improved measures global cognitive function but had no effect on individual measures of executive function, information processing speed, or episodic memory (89)
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Acknowledgments The authors would like to thank Aouatef Bellamine, for her help with study management and Suzanne Morris, at Concrete Medical Writing, LLC, for providing medical writing support (funded by Lonza)
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