Phytochemicals from plants have provided humans with numerous health
benefits. Still, the special properties of the BBB (Blood-Brain Barrier) impede their
access to the targeted tissue, and therefore, prevent their therapeutic use in treating
brain disorders. In response to the increasing number of fatal diseases, scientists and
medical experts have created strict new therapies. The concerning rise in the incidence
of fatal neurodegenerative illnesses has brought attention to the need for efficient
treatment alternatives. However, the conventional medications that are used to treat
them already have disadvantages that make them less than optimal. The most soughtafter alternative to traditional medications is now traditional herbal remedies, which try
to offset the disadvantages of synthetic treatments. Their accessibility, cost, and, most
of all, their safety and effectiveness have had a major impact on their success against
some of the most serious kinds of neurological illness as well as consumer dependence.
Clinical and laboratory data indicate that they offer the potential to treat stroke,
Alzheimer's, Parkinson's, and other illnesses. For the treatment of neurological
illnesses, researchers are considering nanosystems based on herbs to enhance the
transport and bioavailability of phytochemical compounds. Neurodegenerative diseases
are the primary research targets for this investigation into polyherbalism, herbalmedicinal drugs, and herbal-based nanosystems. This chapter explores phytochemicals
and their potential medicinal uses.
Keywords: Brain tumor, BBB, Bioactive, Nano-delivery, Nanosystem, Phytopharmaceuticals.