- Studies have reported that it may have a positive effect on memory.
- The evidence score is 78, indicating that reliability is considered high.
- This information is intended for people who want to know more about learning and memory.
Bacopa is a type of plant that is commonly consumed.
It is classified as a plant-derived ingredient and is treated as something consumed in a variety of contexts.
Among the compounds extracted from plants, some are involved in brain function. Bacopa is one of these, and research has been carried out on it from various perspectives.
Let's look at what previous investigations have found regarding what bacopa acts on. Studies have reported that bacopa has a positive effect on memory (4 studies, reliability is high). In other words, when the past data is organized, memory-related changes are suggested.
Looking closely at multiple past studies reveals some interesting results.
First, an analysis that combined data from many people showed a positive relationship with cognitive function. There are reports that the speed of processing information, and the time it takes to judge and respond, became shorter. In other words, these are changes related to how easily information is handled. A meta-analysis (a method that statistically combines and analyzes the results of multiple studies) reported that reaction time was shortened. This study included 437 participants, making it a large-scale analysis covering many people.
Attention has also been paid to areas such as learning and language use. A systematic review (a method that comprehensively surveys and summarizes existing papers on a specific topic) suggested improvements in language, learning, and memory. In other words, research has been conducted not only on simply memorizing information, but also on the ability to make use of it.
There is also interesting data from specific experiments focused on a particular age group.
In one experiment, improvement in the ability to recall words was investigated. 48 healthy participants aged 65 and older took part, and after consuming the ingredient for a set period, their word-recall scores increased. In other words, this showed the possibility of an effect on the process of recalling words. This study was conducted as a randomized controlled trial (a reliable research method in which participants are divided into groups to compare effects). The results were derived by comparison against a group that consumed a substance without the ingredient.
In addition to experiments with humans, observations have also been made at a more microscopic level.
In experiments using cells, it was confirmed that a specific protein was suppressed from forming clumps (aggregation). In other words, this is research focused on changes occurring inside cells. Using an in vitro method (experiments conducted in a non-living environment, such as in a test tube), reactions at the cellular level were examined. This kind of basic research plays an important role in exploring why such effects occur.
While many of the research results are positive, there are also points that should be kept in mind.
The studies include a mix of large-scale ones involving many people and smaller ones conducted with only a few dozen participants. For this reason, the effects will not necessarily appear the same way in everyone. There is also the aspect that it is difficult to directly apply cell-level experimental results to humans. Since it may not suit everyone, it is important not to hold excessive expectations.
| Study | Design | Number of participants | Duration | Main result |
|---|---|---|---|---|
| International Journal of Biological Macromolecules (2023, PMID:36716837) | In vitro study | Unknown | Unknown | A positive effect was reported |
| Journal of Ethnopharmacology (2014, PMID:24252493) | Meta-analysis | 518 | Unknown | A positive effect was reported |
| Journal of Alternative and Complementary Medicine (New York, N.Y.) (2008, PMID:18611150) | Randomized controlled trial (RCT) | 48 | 84 days | A positive effect was reported |
| Critical Reviews in Food Science and Nutrition (2023, PMID:34978226) | Systematic review | Unknown | Unknown | A positive effect was reported |
The research subjects include a total of 566 participants. This breakdown includes 48 healthy older adults aged 65 and over with no clinical symptoms of dementia, as well as humans receiving chronic administration of standardized Bacopa monnieri extract.
The attributes of the participants range widely, from healthy older adults to people undergoing continuous intake of the extract. This can serve as a reference point for considering whether your own situation is close to that of the study participants.
The number of studies is 4. The study designs vary widely, including in vitro tests, meta-analyses, randomized controlled trials (RCTs), and systematic reviews.
Because cell-based (in vitro) tests are also included, effects on humans need to be examined using a variety of study designs.
In addition, the characteristics of the study participants also vary depending on the data, ranging from healthy older adults to people receiving continuous intake of the extract.
What has been reported about bacopa and memory?
Studies have reported a positive effect on memory. This is based on 4 studies.
What kinds of studies exist on bacopa?
There are reports involving cell-based tests, meta-analyses, and systematic reviews. These come from a variety of study designs.
How reliable is the research on bacopa?
The evidence score is 78, and reliability is reported to be high. This is based on research related to memory.
Studies using a variety of methods have reported that bacopa may have a positive effect on memory and learning. However, because cell-level experiments and small-scale trials are also included, the same results will not necessarily be obtained in every case. To make a judgment suited to your own condition, one option is to first reflect on your current condition using the self-check assessment.