LAISHA · DRAVYAGUNA

Brahmi

ब्राह्मी

Bacopa monnieri (L.) Pennell

Plantaginaceae · Bacopa

One name, more than one plant

Matched live against the GBIF backbone on 28 September 2026 at 97 per cent confidence. This is the single most consequential identity problem in the Indian materia medica: the name Brahmi is used for TWO unrelated plants. Bacopa monnieri is Brahmi in most of India and in the pharmacopoeia. Centella asiatica — Mandukaparni — is called Brahmi in much of the south and in Sri Lanka. They are different families, different appearance and different chemistry, and a product labelled Brahmi may be either.

Benefits & side effects

TRADITIONAL VIEW, WITH SAFETY LIMITS

What the texts say Brahmi does

What the evidence says. Traditional use is extensive and long recorded. Modern clinical evidence is limited.

Side effects and limits

Avoid or ask first: No absolute contraindication is documented here. This is written deliberately rather than left blank.

A traditional classification, not a recommendation. The full safety record is below.

Stands in 2 groups

A Samhita can only be read forwards, from the group to its members. This is the same list read backwards.

Photographs

Matra and anupana

AS THE CLASSICAL TEXTS AND THE API PRESCRIBE

Churna3–6 g
Swarasa10–20 ml
Kwatha50–100 ml
AnupanaGhrita · Dugdha · Madhu
KalaPragbhakta

Ghrita is the classical medhya anupana. Confirm the species: Bacopa monnieri, not Centella asiatica.

Reported from Sharangadhara Samhita and the Ayurvedic Pharmacopoeia of India. Laisha states what the texts prescribe; it does not recommend. No quantity here is adjusted for a particular person — not for agni, koshtha, bala, age, pregnancy, kidney or liver function, or anything already being taken.

Pharmacopoeial standard

Ayurvedic Pharmacopoeia of India, Part I

MarkerBacoside A
AssayNot less than 1.0 per cent
Total ashTotal ash not more than 22 per cent
Acid-insoluble ashNot more than 10 per cent
Alcohol-soluble extractiveAlcohol-soluble extractive not less than 4 per cent
Water-soluble extractiveWater-soluble extractive not less than 12 per cent
Foreign matterForeign matter not more than 2 per cent

Bacoside A is the marker and it is the test that separates Bacopa monnieri from Centella asiatica — Centella has no bacosides at all. If the name is Brahmi and the bacosides are absent, you have Mandukaparni.

These are the pharmacopoeial limits for the article, not a test Laisha has run on anything. They are here so a practitioner can ask a supplier for a certificate of analysis and know what the numbers on it should say.

Rasapanchaka

Rasa
TiktaKashayaMadhura
Guna
LaghuSara
ViryaSheeta
VipakaMadhura
PrabhavaCharaka names brahmi among the medhya rasayana, the small group of dravya specifically classed as acting on the intellect. The texts treat that as prabhava.
DoshakarmaTridoshahara, and particularly kaphapittahara.

Tikta predominant. A tikta dravya with sheeta virya and madhura vipaka is the combination the texts associate with its medhya classification.

Karma and part used

MedhyaRasayanaAyushyaSwaryaHridya

These are the actions the classical texts record. They are statements about what the tradition holds, and this library does not restate them as findings about a human body.

Upayukta angaPanchanga (the whole plant)
Why it mattersThe whole herb above the root is the article. It is a creeping plant of wet ground, and material collected from drains or polluted water carries whatever the water carried.

Paryaya

SaraswatiSomavalliMatsyakshiAindriDivyateja

Saraswati and Aindri are both names associated with intellect and are the reason the medhya classification is read into the name. Matsyakshi — fish-eyed — describes the leaf.

Names, by language

EnglishWater hyssop
SinhalaLunuwila
NepaliBrahmi
HindiBrahmi
KannadaNeer brahmi
TamilNeerbrahmi
TeluguSambrani chettu
MalayalamBrahmi
MarathiBrahmi
GujaratiJalnevari
BengaliBrahmi shak
PunjabiBrahmi
OdiaBrahmi
UrduBrahmi

Classical references

Charaka Samhita
Chikitsasthana, chapter 1, pada 3 (Rasayana)
Names the four medhya rasayana — Mandukaparni, Yashtimadhu, Guduchi and Shankhapushpi. Bacopa monnieri is NOT among Charaka's four; the medhya standing attached to the name Brahmi through Mandukaparni, which is the other plant called Brahmi, the dravya classed as acting on the intellect.
Bhavaprakasha Nighantu
Guduchyadi Varga
Gives the rasa, guna, virya and vipaka of brahmi.
Sushruta Samhita
Sutrasthana, chapter 38 (Dravyasangrahaniya)
Included among the dravya grouped by action.

Rasa, guna, virya, vipaka and karma are recorded as the classical texts give them, with the text and section named so a student can open the book and check. Where an exact chapter and verse could not be confirmed, this library names the section rather than inventing a number.

Formulations it appears in

Brahmi GhritaA ghee preparation named for the dravya.
SaraswatarishtaNamed for brahmi's synonym Saraswati.
Brahmi VatiNamed for the dravya.

Adulterants and substitutes

The substitution here is not fraud but a genuine collision of names: Centella asiatica is called Brahmi across southern India and is a different plant in a different family. A buyer asking for Brahmi in Kerala and in Uttar Pradesh may be handed two unrelated species, both correctly named by local usage. Anyone buying should ask for the botanical name, and this library states both plants separately for that reason.

Identity

Matched live against the GBIF backbone on 28 September 2026 at 97 per cent confidence. This is the single most consequential identity problem in the Indian materia medica: the name Brahmi is used for TWO unrelated plants. Bacopa monnieri is Brahmi in most of India and in the pharmacopoeia. Centella asiatica — Mandukaparni — is called Brahmi in much of the south and in Sri Lanka. They are different families, different appearance and different chemistry, and a product labelled Brahmi may be either.

A WAY TO REMEMBER IT

Bacopa is from a South American Arawak name. Monnieri honours Louis-Guillaume Le Monnier. Note it is Plantaginaceae, NOT Apiaceae — that is how you tell it from Centella asiatica, which is also called Brahmi.

What the tradition holds

Charaka names brahmi among the medhya rasayana in the Rasayana chapter — a short and specific list. Ayurveda records it as acting on the intellect and as tridoshahara. That is what the tradition holds and where it is written down, not a finding about what the herb does in a body.

Constituents. The herb carries triterpenoid saponins known as bacosides, which are what commercial extracts are standardised to. Content varies with the population and with growing conditions.

What the evidence says

StatusTraditional use is extensive and long recorded. Modern clinical evidence is limited.
SuggestedHealth Canada publishes monographs covering Ayurvedic ingredients and permits specific traditional-use claims, which reflects a regulator accepting a documented tradition rather than a body of clinical trial evidence.
Not establishedThere is not enough good clinical evidence to establish an effect on any named health condition. Long traditional use is not a substitute for that evidence, and this library does not present it as one.
The honest gapMost published work uses extracts standardised to bacoside content. A whole herb bought dried is not that material. And a study that names only Brahmi without the binomial cannot be relied on to be about this plant at all.

Safety

Generally well tolerated. Digestive upset is the commonly reported effect. The more practical risk is where it was grown: it is a plant of wet ground and is collected from drains and paddy margins, and it takes up what the water carries. Anyone on thyroid medicine, on sedatives, pregnant, or managing a diagnosed condition should speak to a doctor or a qualified practitioner first.

Side effectsNausea
Stomach cramps
Dry mouth
Fatigue
ContraindicationsNo absolute contraindication is documented here. This is written deliberately rather than left blank.
InteractionsSedatives and antiepileptics — additive sedation reported; bacosides have been studied with phenytoin.
Thyroid hormone — T4 elevation reported in animal work.
Amitriptyline — reduced absorption reported.
Acetylcholinesterase inhibitors, including donepezil — cholinergic direction may be additive.
Pregnancy and breastfeedingThere is not enough evidence to establish safety in pregnancy or breastfeeding, and a qualified practitioner should be asked first.

Growing it

ClimateTropical and subtropical wetland; grows in shallow water and on wet margins.
SoilWet, and clean. The growing water is part of the material.
PlantingGrown from cuttings, which root at the nodes readily in shallow water.
HarvestThe whole herb is cut and washed, then dried in shade.
What is not statedThis library does not state yields, because most supply is collected rather than cultivated and the collection sites are rarely recorded.

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What this is not

Sources

GBIF Backbone Taxonomy species-match record for Bacopa monnieri (L.) Pennell
Global Biodiversity Information Facility (GBIF) · read 2026-09-28
Confirming live, rather than from memory, the accepted botanical name and family behind the Sanskrit name.
https://api.gbif.org/v1/species/match?name=Bacopa%20monnieri
The Ayurvedic Pharmacopoeia of India — Brahmi (Bacopa monnieri)
Pharmacopoeia Commission for Indian Medicine and Homoeopathy, Ministry of Ayush, Government of India · read 2026-09-28
The official Indian pharmacopoeial standing of the dravya and the identity of the part used as the pharmacopoeial article.
https://pcimh.gov.in/
Compendium of Monographs — Natural Health Products
Health Canada, Natural and Non-prescription Health Products Directorate · read 2026-09-28
A regulator outside India that publishes monographs covering Ayurvedic ingredients — used for the safety framing, and for the line between a permitted traditional-use claim and clinical evidence.
https://www.canada.ca/en/health-canada/services/drugs-health-products/natural-non-prescription/applications-submissions/product-licensing/compendium-monographs.html
Classical matra by dose form
Sharangadhara Samhita, Madhyama Khanda
The classical quantity for each dose form, as the standard reference gives it. Sharangadhara is where Ayurveda's dose forms and their measures are set out, and it is what every Dravyaguna textbook reproduces.
https://niimh.nic.in/ebooks/esharangadhara/
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