Arjuna is a tall, graceful tree that grows along riverbanks and in village ponds across India. Its bark is among the best known tree barks in Ayurveda, and the tradition has long linked it with the heart. That is exactly the kind of claim where care is needed, so this page tells you what the tradition says and what we could and could not confirm, and it makes no promise about the heart or anything else.
You will find the plant, its place in the classical literature, why it is not a kitchen ingredient, and a plain account of the safety gaps. Our own sources, the US National Center for Complementary and Integrative Health, MedlinePlus and LiverTox, have no dedicated page on arjuna that we could find, and this page says so openly.
What it is
Arjuna is Terminalia arjuna, a large evergreen tree of the combretum family, closely related to the trees that give haritaki and bibhitaki. It can reach twenty-five metres or more, with a broad crown and a smooth, pale, flaking bark that is often described as whitish or greyish. The fruit has five wing-like ridges, which makes it easy to recognise. The tree grows beside rivers and streams, on the plains and in the foothills of the Himalayas.
- Sanskrit: arjuna (the name is also that of a great hero of the Mahabharata, and also means white or bright, which fits the pale bark)
- Hindi: arjun
- English: arjuna, arjun tree
- Plant part used: the stem bark, traditionally
Care with the species name is worthwhile. Several Terminalia species grow in India, and bark from the wrong tree is sometimes sold under the same name. The botanical name on a product label is the safer guide.
The traditional view
Later materia medica such as the Bhavaprakasha and the Dhanvantari Nighantu describe a substance by taste (rasa), energy (virya) and effect after digestion (vipaka). The profile commonly taught for arjuna is below, though teachers do not all phrase it in the same way and some lists differ.
- Taste (rasa): astringent (kashaya)
- Qualities (guna): light and dry
- Energy (virya): cooling (sheeta)
- Effect on the doshas: commonly said to calm pitta and kapha, with its dry quality noted as a reason to use it with care in those with a strong vata nature.
In the nighantus, the later medieval word-lists of medicinal substances, arjuna is called hridya, a Sanskrit word often translated as good for the heart, or dear to the heart. The tradition also places the bark among substances connected with the blood and with injuries to the bones. We report this as what tradition says, and it is a statement about history, not a medical finding. We do not say that arjuna treats, prevents or helps any heart condition, and nobody should replace or delay heart care because of what this page says.
If the terms are new, the six tastes explains how Ayurveda reads flavour, and the qualities of foods explains words such as light, dry and cooling. The wider idea of tissues the tradition speaks about, including the blood tissue, is introduced on the dhatus page.
In the kitchen
Arjuna is not a food or a spice. The bark is hard, fibrous and astringent, and it has no culinary role in ordinary Indian cooking.
Where people meet it is as a prepared herbal product. In some homes and clinics, the bark powder or a bark preparation is used in the way the tradition describes, and it is also found as an ingredient in capsules, tablets and compound formulations sold in shops. We do not describe how preparations are made or taken, because they are the work of a practitioner, and a general website cannot give instructions for a medicine.
If you want to cook in an Ayurvedic spirit, the herbs with a real kitchen role on this site are a better starting point, and spices in the Ayurvedic kitchen covers the familiar ones. For a fruit from a related tree that is eaten in India, see the page on amla.
What research says
We did not find a page on arjuna from NCCIH, MedlinePlus or LiverTox, and our search of the US National Library of Medicine’s LiverTox contents did not turn up a monograph on it. For that reason, we do not report trial results or safety ratings for arjuna, and we do not say it is proven to do anything.
You may read, elsewhere, that studies have looked at arjuna bark and heart conditions. We could not draw those findings from a source we checked, so we cannot tell you how large or well designed they are. NCCIH’s overview of Ayurvedic medicine says that few well-designed clinical trials suggest Ayurvedic approaches are effective and that most trials are small or poorly designed. That is a fair general reading to bring to any claim about a single herb.
Safety and interactions
Because no dedicated source is available to us, everything below is a cautious general point and not a finding about arjuna itself.
- Heart and blood pressure medicines. If you have a heart condition, or take medicine for it, for blood pressure or for blood clotting, please do not add arjuna products without telling your cardiologist or doctor. Never stop or change a prescribed heart medicine because of a herb.
- Medicine interactions in general. NCCIH’s herb and drug interaction digest says most interactions are theoretical, but it flags warfarin, digoxin and cancer chemotherapy, whose safety margins are narrow. It does not name arjuna. Ask a pharmacist before combining it with any medicine.
- Pregnancy and breastfeeding. We found no source covering arjuna in either, so we cannot confirm it is safe. Please ask your doctor or midwife.
- Children. The same applies. We found no source on arjuna for children.
- Liver and kidney concerns. People with liver or kidney disease should speak to their doctor before any herbal product. If you develop unusual tiredness, nausea, poor appetite, dark urine or yellowing of the skin or eyes, stop it and seek medical care. These are general warning signs, not an arjuna-specific finding.
- Before surgery. Tell your surgical team about every herbal product, since some can affect bleeding.
- Contamination. NCCIH notes that a 2015 survey found high lead in about one in four tested supplements and high mercury in nearly half, and that the FDA warns metals in some Ayurvedic products may be harmful. This is a reason to be careful about the source of any compound product, not a result about arjuna.
This page is education, not medical advice. Please read our medical disclaimer, see a doctor for any health concern, and consult a registered Ayurvedic practitioner (BAMS in India) before considering any Ayurvedic treatment.
Frequently asked questions
↳ What is arjuna called in Ayurveda?
The Sanskrit and Hindi names are arjuna and arjun. The part used is the bark of Terminalia arjuna, and the tradition describes it as astringent in taste and cooling in energy.
↳ Why is arjuna linked with the heart?
Later nighantus describe it as hridya, a word often translated as good for the heart. That is a traditional description, not a medical finding, and we make no claim that arjuna helps any heart condition.
↳ Is arjuna safe to take with heart medicines?
We found no source that tells us, so we cannot confirm it is safe. Please speak to your doctor or cardiologist before using any arjuna product, and never stop a prescribed heart medicine because of a herb.
↳ Is arjuna used in cooking?
No. The bark is hard and astringent, and it has no place in ordinary cooking. It is found in prepared herbal products and in compound formulations that a practitioner would guide.
↳ Can I use arjuna in pregnancy?
We found no source we checked that covers arjuna in pregnancy or breastfeeding. Please ask your doctor or midwife before using it.
Sources: NCCIH: Ayurvedic Medicine in Depth, NCCIH: Herb-Drug Interactions. No dedicated NCCIH, MedlinePlus or LiverTox page on arjuna was found.