This review from 2016 includes data from 21 trials and 2608 patients with cognitive impairment and Alzheimer’s disease using Ginkgo biloba supplements. Ginkgo biloba in combination with conventional medicine was superior in improving Mini-Mental State Examination (MMSE) scores at 24 weeks for patients with Alzheimer’s disease and mild cognitive impairment, and Activity of Daily Living (ADL) scores at 24 weeks for Alzheimer’s disease. Authors concluded: Ginkgo biloba is potentially beneficial for the improvement of cognitive function, activities of daily living, and global clinical assessment in patients with mild cognitive impairment or Alzheimer’s disease.
Yang, G., Wang, Y., Sun, J., Zhang, K., & Liu, J. (2016). Ginkgo Biloba for Mild Cognitive Impairment and Alzheimer’s Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Current topics in medicinal chemistry, 16(5), 520–528. https://doi.org/10.2174/1568026615666150813143520