A recent review in Frontiers in Pharmacology by Mathur et al. explores what is known about Bacopa monniera (also known as Brahmi). Bacopa is a key ingredient in Think Gum and has been used traditionally to treat cognitive ailments ranging from anxiety to epilepsy.
The in depth review explores current clinical trials, evidence for use in Alzheimer’s and Parkinson’s disease along with how the active components in this nootropic herb (called bacosides) may help regulate neurotransmitters like serotonin.
If you are interested in the pharmacological effects of this important plant, then I suggest you check out the free full text article.