Intakes of folate, vitamin B6 and B12 and risk of depression in community-- dwelling older adults.

CONCLUSION: “This study provides some evidence of decreased depression risk among women with higher intakes of vitamin B6 from food.”

B vitamin supplementation improves cognitive function in the middle aged and elderly with hyperhomocysteinemia.

CONCLUSION: “The results demonstrated that supplement containing folate, vitamin B 6 , and vitamin B 12 in middle-​aged and elderly patients with hyperhomocysteinemia could improve their cognitive function partly and reduce serum tHcy levels.”

Homocysteine-Lowering by B Vitamins Slows the Rate of Accelerated Brain Atrophy in Mild Cognitive Impairment.

CONCLUSION: “We have shown that treatment for two years with B vitamins markedly slows the accelerated rate of atrophy in people with MCI”

Reducing occupational stress with a B-vitamin focussed intervention.

CONCLUSION: “Occupational stress is a multibillion dollar problem. Effective strategies reducing occupational stress are urgently required. Dietary supplementation with B group vitamins may be an economically viable and sustainable intervention. Reducing occupational stress will have...

The acute effects of L--theanine in comparison with alprazolam on anticipatory anxiety in humans.

CONCLUSION: “Thus, it was suggested that the oral intake of L-Theanine could cause anti-stress effects via the inhibition of cortical neuron excitation.”

L-Theanine reduces psychological and physiological stress responses.

CONCLUSION: “Thus, it was suggested that the oral intake of L-​Theanine could cause anti-​stress effects via the inhibition of cortical neuron excitation.”

L-Theanine

CONCLUSION: “Results evidently demonstrated that L-​-theanine clearly has a pronounced effect on attention performance and reaction time response in normal healthy subjects prone to have high anxiety.”

The Anti-Dementia effect of Lion's Mane mushroom (Hericium erinaceum) and its clinical application.

CONCLUSION: Our research on components of Lion's Mane mushroom (Hericium erinaceum) and their biological activities in cell culture is a case where positive anti-​-dementia results in the laboratory have been confirmed by analogous results in...

Lion’s Mane: (Hericium erinaceus)

CONCLUSION: “The results obtained in this study suggest that Yamabushitake is effective in improving mild cognitive impairment.”