Memory is the recalling of past information and retaining that information in learners. Memory impairment is a common concern among individuals of all ages, with implications for daily functioning and quality of life. The physiological actions of memory are regulated mainly by neurotransmitters and synaptic neurotransmission, among other factors involved. The involvement of neurotransmitters is evident in various diseases involving im-pairment of memory. Among the various components that impair the neurotransmitters, the involvement of the nasal microbiome is also one of them. Studies have found several commonly "health-associated" sinonasal bacterial taxa to be posi-tively associated with higher neurotransmitter concentrations and negatively associated with depression severity. In dementia-related diseases, the influence of the nasal microbiome is also noted. Hence, an ideal treatment targeting memory would be nasya. Pratimarsha nasya is mentioned as a procedure in dinacharya. Pratimarsha nasya has a preventive component for many diseases. This fact enables us to hypothe-size that it may influence the nasal microbiome and hence maintain the neurotransmitters, thus acting on memory. Brahmi Gritha Pratimarsha Nasya, an Ayurvedic nasal medication containing Bacopa monnieri (Brahmi), has been traditionally used to enhance cognitive function and memory. This systematic review aims to evaluate the efficacy of Brahmi Gritha Pratimarsha Nasya in memory enhancement. The data in our study also shows the influence of pratimarsha nasya on memory.