Study
Holy Basil May Slightly Improve Reaction Times in Healthy Adults
The study found that Holy Basil (Ocimum tenuiflorum) might improve reaction times in executive function tasks for healthy adults, though overall cognitive benefits were limited.
Summary
In plain language
Researchers examined various natural compounds to see if they could enhance brain functions like memory and attention in healthy adults. The study found that most compounds, including green tea and Bacopa, showed limited benefits. However, Holy Basil (Ocimum tenuiflorum) showed a slight improvement in reaction times during a specific task. This suggests that while Holy Basil might help in some areas, more research is needed to fully understand its potential. Seniors interested in natural ways to support brain health might consider discussing Holy Basil with their healthcare providers, especially if they are experiencing cognitive challenges.
Details
Use the full description to understand the study design, methods, and the limits of the findings.
This study reviewed the effects of several natural compounds on brain function.
Researchers conducted a comprehensive review of existing studies and focused on natural compounds like Holy Basil, green tea, and Bacopa, reviewing their impact on cognitive performance.
The study found that Holy Basil showed a slight improvement in reaction times, but overall, these compounds had limited impact on memory and attention in healthy adults.
The study suggests that while some natural compounds might offer small benefits, more rigorous research is necessary to confirm their effectiveness, especially for those with cognitive impairments.
Seniors should talk to their healthcare providers about whether incorporating such compounds could be beneficial for them.
Full Study
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Holy Basil May Slightly Improve Reaction Times in Healthy Adults
Published January 2026 · DOI 10.1093/ijnp/pyag003
Opens at the publisher · external site · may require institutional access
Research Quality Score
Scored June 24, 2026 using rubric mq-1.5_2026-06-18.
Assessment
The study scored well for its RCT design but had limitations in bias control due to unconfirmed allocation concealment. Statistical integrity was compromised by gaps in power and multiplicity handling. Transparency was partial, and conflicts of interest were present due to an author's employment. The study's relevance to the target population was low, and journal quality could not be assessed. No replication evidence was provided.
Category Breakdown
| Category | Score | Rating |
|---|---|---|
| Study design | 10.0/10 | |
| Bias control | 6.7/10 | |
| Statistical methods | 5.0/10 | |
| Reporting completeness | 5.0/10 | |
| Conflicts & funding | 7.5/10 | |
| Replication | 0.0/10 | |
| Relevance to chosen population | 0.0/10 | |
| Journal Reliability | 0.0/10 |
Additional Notes
This RCT evaluated the effects of Ocimum tenuiflorum on cognitive functions in healthy young adults, finding marginal improvements in reaction times but limited efficacy across other cognitive domains.
Assessed on the study's full text across 8 quality dimensions; conflict-of-interest disclosures were reviewed.
Treatments Evaluated in This Research
Review the interventions studied here and compare them against the broader treatment library.
Green Tea Extract (EGCG)
Green tea extract provides concentrated catechins, particularly EGCG, powerful antioxidants that support metabolism, brain health, and cardiovascular function. It offers the benefits of green tea without consuming multiple cups daily.
Bacopa Monnieri
Bacopa monnieri is an Ayurvedic herb known for improving memory, focus, and information retention. It may enhance learning capacity and reduce mental fatigue in older adults.
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