Agarwood: Benefits, Uses & Dosage

Most people meet Agarwood as a scent before they meet it as a medicine. It is the oud of perfumery and the dark, fragrant wood burned as incense (dhupa, aromatic fumigation) in temples. In Ayurveda the same wood is a warming medicine for the heart, the chest, and stubborn skin complaints.

Its English names are Agarwood, Eagle-wood, and Aloeswood. The botanical name is Aquilaria agallocha Roxb., a tree of the family Thymelaeaceae found in Northeast India (Assam), Myanmar, and Southeast Asia. The Sanskrit name is Agaru (Agaru), and the Sahasra Yoga drug index also lists Aguru, Jonga, Jongaka, and Krishanaguru.

What makes it distinctive is how it forms. A healthy tree produces no fragrant wood at all. Only when the heartwood is infected by a fungus does it fill with dark, aromatic resin, which is why one Sanskrit synonym is Krimija (Krimija, "born of worms").

The Bhavaprakash Nighantu gives a simple test of quality: resin-soaked heartwood sinks in water, while uninfected wood floats. Black Agaru (Krishna Agaru) is named as the best grade, and the wood and its oil command very high prices because of their rarity.

Agarwood is bitter and pungent in taste (Tikta, Katu rasa), light and sharp in quality (Laghu, Tikshna guna), hot in potency (Ushna virya), and pungent after digestion (Katu vipaka). That warming, penetrating profile calms Vata and Kapha, the cold, mobile dosha and the heavy, damp one. Nearly every classical use follows from this.

Heart Support

The Bhavaprakash Nighantu calls Agaru heart-supporting (Hridya) and lists it under heart disease (Hridroga). Its niche is heart complaints of the Vata and Kapha type, such as chest tightness, anxious palpitation, or cold congestion. It is an adjunct, not a replacement for Arjuna, the main Ayurvedic heart herb.

Cough and Breathing

Classical action lists name Agaru antitussive (Kasahara) and relieving breathlessness (Shwasahara). The Bhavaprakash Nighantu lists cough (Kasa) and asthma (Shwasa) among its uses. A hot, light, sharp herb is exactly what Ayurveda reaches for when cold Kapha congests the chest.

Skin Health

Agaru is described as beneficial for the skin (Tvachya) and as improving complexion (Varnya). It is listed for chronic skin diseases (Kushtha), and it is also used as an aromatic adjunct for athlete's foot.

Digestion and Worms

The texts list it as a digestive stimulant (Deepana, kindling the digestive fire or Agni) and as absorbent (Grahi). It is also named anthelmintic (Krimighna) and listed for worms and parasites (Krimi), as well as for vomiting.

Pain and Vata Disorders

Agaru is described as pain-relieving (Shoolahara) and is listed for Vata diseases (Vataroga), which links it to conditions such as arthritis. The classical lists also call it antitoxic (Vishahara).

Note that the case for Agaru rests on classical authority. It has not been studied in controlled clinical trials for these uses.

Agaru is used in small amounts. Authentic resin-rich wood is hot, sharp, and potent, and it is also expensive. The forms below are the ones described in our source material.

What to take it with

The vehicle you take a herb with is called anupana. For Vata-type symptoms, warm milk with a pinch of saffron is used. For Kapha-type heaviness and congestion, warm water is preferred.

Choosing genuine material

Agaru is frequently adulterated. Look for heartwood of Aquilaria agallocha from a supplier who names the species and the part. The classical sink-in-water test applies: resinous wood sinks, while uninfected wood floats and is of little medicinal value.

Agarwood is a long-used aromatic medicine, but its hot potency (Ushna virya) and sharp quality (Tikshna guna) mean it does not suit everyone. Our source data lists no formal classical contraindications, so the cautions below follow from its properties and from how it is used in practice.

Who should avoid it

• Pitta-type heat: burning sensations, inflammation, red or raw skin, and Pitta-driven high blood pressure can be aggravated by its heat. For Pitta patterns, cooling herbs are the better choice.
• Pregnancy: avoid it.
• Acute fever: avoid internal use.
• Broken or bleeding skin: do not apply topical paste to raw, cracked, or bleeding areas.

Medications

There is no specific drug-interaction data for Agaru with modern medicines. Treat that gap as a reason for caution. If you take heart medications, blood thinners, or blood pressure drugs, speak to your doctor before adding it.

Quality risk

The most common practical problem is adulteration. Low-priced "agarwood" is often uninfected wood or a different material altogether, so buy only from suppliers who state the species and the part used.

Agarwood is rarely the first herb anyone reaches for. These are the comparisons that matter when deciding whether it belongs in your routine.

In short, Agaru is a specialist. It earns its place where cold, heavy, or stuck qualities dominate, and it gives way to cooler or better-studied herbs everywhere else.

Our source data on Agarwood for specific groups is limited, so this guidance is deliberately cautious.

Pregnancy & Nursing

Avoid internal use during pregnancy. Agaru is hot and sharp, and there is no safety data supporting its use. The same caution is sensible while nursing; ask your doctor or practitioner first.

Children

There is no dosing guidance for children in our sources. Do not give internal Agaru to a child without the direction of a qualified Ayurvedic physician.

Elderly

Older adults with Vata-type cold, dryness, or chest tightness are the kind of person the classical heart use describes. Anyone already on heart or blood pressure medicine should involve their doctor before adding it, and Pitta-type high blood pressure is a reason to choose a cooler herb.

Athletes

Agaru is not a performance herb. Its relevance for active people is mostly topical, as an aromatic adjunct for athlete's foot alongside neem, applied to clean, fully dried skin.