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In recent years, there has been a substantial body of research highlighting the neuroprotective potential of phytochemicals and antioxidants, as well as their positive impact on the prevention of neurodegenerative disorders (Gandhi and Abramov 2012

doi: 10.1038/s41598-020-59939-8 302 HuMZhangQTianXWangJNiuYLiG

Cellular and Molecular Life Sciences, 70 (19), 3665-3693

Additionally, a randomized, double-blind, placebo-controlled trial in 162 elderly people (70 years) with mild vitamin B 12 deficiency found that vitamin B 12 supplementation for 24 weeks, alone or in combination with folic acid, did not improve memory performance (117)

Gilbert, K