Many ginsenosides have been reported to have the following actions on pathological processes in AD: 1) inhibiting Aβ aggregation and tau hyperphosphorylation, 2) preventing neuroinflammation and apoptosis, 3) increasing neurotrophic factor secretion, and 4) improving mitochondrial dysfunction (Li J. et al., 2021). Here, MAPT is linked to Alzheimer disease.