Bacopa Monnieri
Herb ·Exploratory record · not publication-reviewed ·Updated July 13, 2026
Ayurvedic herb with strong evidence for memory enhancement and cognitive function.
Exploratory record, not a reviewed medical publication.
See the editorial and medical-review policies for the publication gate.
This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.
What the research says.
A quick, data-only summary. The full evidence, dosing, and sources are below.
Bacopa Monnieri is a herb most often used for memory, learning, focus. NutriStack rates the overall evidence as strong. A typical adult dose is 300-600 mg daily (standardized to 50% bacosides), commonly taken as standardized extract (bacognize or synapsa). This profile indexes 16 sources.
The bottom line
Evidence rating strong. Most-documented uses: memory, learning, focus. 16 sources indexed (2002–2025), with 0 interaction records on file.
How it works, mechanistically.
Core mechanism
Bacosides A and B modulate serotonin, dopamine, and acetylcholine. Enhances dendritic branching and synaptic activity in the hippocampus. Antioxidant protection of neural tissue.13,5
Dosing & protocol.
Take with fat-containing meal; effects build over 8-12 weeks5
What it actually costs.
Real-world pricing across three quality tiers. Assumes Standardized Bacopa Extract.
Assumes 300-600 mg/day from goal dosage. Vendor basis: NOW/iHerb, Vitacost, Life Extension, and Amazon marketplace; Bacognize and Synapsa products skew premium. Updated 2026-05-28.
The same dose, as food.
How much you'd eat to match a supplemental dose.
Bacopa is an herb used as a standardized extract; it is not a common food with predictable bacoside content.
Full safety detail.
Side effects
- GI upset
- Fatigue initially
- Dry mouth
Contraindications
- Thyroid conditions
- GI ulcers
- Bradycardia
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Meta-analyses & systematic reviews
1- 1Meta-analysis of randomized controlled trials on cognitive effects of Bacopa monnieri extractPMIDKongkeaw C et al. · Journal of Ethnopharmacology · 2014
Meta-analysis of 9 studies (518 subjects) suggests Bacopa monnieri has the potential to improve cognition, particularly speed of attention and cognitive processing.
Randomized controlled trials
8- 2Comparative efficacy of Medhya Rasayana,Bacopa monnieri, and Centella asiatica in enhancing memory and IQ of 8-10 year-old healthy boys: A prakriti-based double-blind, randomized controlled trialPMIDVerma J, Rathi R, Anamika et al. · Journal of Ayurveda and integrative medicine · 2025
Verma J, Rathi R, Anamika et al.. Comparative efficacy of Medhya Rasayana,Bacopa monnieri, and Centella asiatica in enhancing memory and IQ of 8-10 year-old healthy boys: A prakriti-based double-blind, randomized controlled trial. Journal of Ayurveda and integrative medicine. 2025
- 3"An exploratory randomized, double-blind, placebo- controlled trial protocol on combined Cognitive Behavioral Therapy and adjunct Brahmi (Bacopa monnieri) tablets in Premenstrual Syndrome management"PMIDKhan S, Krishnarajabhatt HS, Sushilal CMN et al. · Frontiers in medicine · 2025
Khan S, Krishnarajabhatt HS, Sushilal CMN et al.. "An exploratory randomized, double-blind, placebo- controlled trial protocol on combined Cognitive Behavioral Therapy and adjunct Brahmi (Bacopa monnieri) tablets in Premenstrual Syndrome management". Frontiers in medicine. 2025
- 4The Effects of a Bacopa monnieri Extract (Bacumen(®)) on Cognition, Stress, and Fatigue in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled TrialPMIDLopresti AL, Smith SJ · Clinical drug investigation · 2025
Lopresti AL, Smith SJ. The Effects of a Bacopa monnieri Extract (Bacumen(®)) on Cognition, Stress, and Fatigue in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled Trial. Clinical drug investigation. 2025
- 5The Neurocognitive Effects of Bacopa monnieri and Cognitive Training on Markers of Brain Microstructure in Healthy Older Adults.PMIDMcPhee GM, Downey LA, Wesnes KA et al. · Frontiers in Aging Neuroscience · 2021
Bacopa monnieri supplementation combined with cognitive training showed beneficial effects on brain microstructure and cognitive performance in healthy older adults.
- 6Efficacy of Bacopa Monnieri (Brahmi) and Donepezil in Alzheimer's Disease and Mild Cognitive Impairment: A Randomized Double-Blind Parallel Phase 2b Study.PMIDPrabhakar S, Vishnu VY, Modi M et al. · Annals of Indian Academy of Neurology · 2020
Bacopa monnieri showed comparable efficacy to donepezil in improving cognitive function in patients with mild cognitive impairment and Alzheimer's disease.
- 7A Randomized Controlled Trial Investigating the Effects of a Special Extract of Bacopa monnieri (CDRI 08) on Hyperactivity and Inattention in Male Children and Adolescents: BACHI Study Protocol (ANZCTRN12612000827831)PMIDKean JD, Kaufman J, Lomas J et al. · Nutrients · 2015
Kean JD, Kaufman J, Lomas J et al.. A Randomized Controlled Trial Investigating the Effects of a Special Extract of Bacopa monnieri (CDRI 08) on Hyperactivity and Inattention in Male Children and Adolescents: BACHI Study Protocol (ANZCTRN12612000827831). Nutrients. 2015
- 8Effects of a standardized Bacopa monnieri extract on cognitive performance, anxiety, and depression in the elderly: a randomized, double-blind, placebo-controlled trialPMIDCalabrese C et al. · Journal of Alternative and Complementary Medicine · 2008
Anxiety and depression scores decreased for the Bacopa group while increasing for placebo; memory acquisition and retention were significantly improved.
- 9Chronic effects of Brahmi (Bacopa monnieri) on human memorySource linkedPMIDRoodenrys S, Booth D, Bulzomi S et al. · Neuropsychopharmacology · 2002
Reviews & position papers
5- 10Investigating the Neuroprotective and Cognitive-Enhancing Effects of Bacopa monnieri: A Systematic Review Focused on Inflammation, Oxidative Stress, Mitochondrial Dysfunction, and ApoptosisPMIDSimpson T et al. · Nutrients · 2024
Bacopa has anti-apoptotic and antioxidant actions, repairs damaged neurons, stimulates kinase activity, restores synaptic function, and enhances neuroprotection via bacoside modulation.
- 11Discovery of Molecular Networks of Neuroprotection Conferred by Brahmi Extract in Aβ(42)-Induced Toxicity Model of Drosophila melanogaster Using a Quantitative Proteomic ApproachPMIDDeolankar SC, Najar MA, Ramesh P et al. · Molecular neurobiology · 2023
Deolankar SC, Najar MA, Ramesh P et al.. Discovery of Molecular Networks of Neuroprotection Conferred by Brahmi Extract in Aβ(42)-Induced Toxicity Model of Drosophila melanogaster Using a Quantitative Proteomic Approach. Molecular neurobiology. 2023
- 12Use of Bacopa monnieri in the Treatment of Dementia Due to Alzheimer Disease: Systematic Review of Randomized Controlled Trials.PMIDBasheer A, Agarwal A, Mishra B et al. · Interactive Journal of Medical Research · 2022
Bacopa monnieri showed potential cognitive benefits in Alzheimer's disease patients across reviewed RCTs, particularly in memory and attention domains.
- 13Neuropharmacological and cognitive effects of Bacopa monnieri (L.) Wettst - A review on its mechanistic aspectsPMIDBrimson JM et al. · Complementary Therapies in Medicine · 2021
Bacosides A and B modulate serotonin, dopamine, and acetylcholine; enhance dendritic branching and synaptic activity in the hippocampus with antioxidant neural protection.
- 14The cognitive-enhancing effects of Bacopa monnieri: a systematic review of randomized, controlled human clinical trialsPMIDPase MP et al. · Journal of Alternative and Complementary Medicine · 2012
Bacopa improved performance on 9 of 17 tests in the domain of memory free recall at 300-450 mg/day for 12+ weeks of standardized extract.
Reference material
2Common questions.
Quick answers about Bacopa Monnieri, drawn from the data on this page.
What is Bacopa Monnieri?
Ayurvedic herb with strong evidence for memory enhancement and cognitive function.
What is Bacopa Monnieri used for?
Commonly cited benefits of Bacopa Monnieri include: Memory; Learning; Focus; Anxiety reduction. NutriStack rates the overall evidence as strong.
What is a typical dose of Bacopa Monnieri?
A typical adult dose of Bacopa Monnieri is 300-600 mg daily (standardized to 50% bacosides). The commonly recommended form is Standardized extract (Bacognize or Synapsa). These are general ranges, not personalized advice; confirm the right dose with a clinician.
What are the side effects of Bacopa Monnieri?
Reported side effects include gi upset, fatigue initially, dry mouth. This is educational information; check with a healthcare professional before use.
How strong is the evidence for Bacopa Monnieri?
NutriStack rates this as Strong, meaning multiple high-quality meta-analyses or systematic reviews converge on the same finding. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.
Use this with your stack
Bacopa Monnieri in NutriStack.
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