Amaltas, scientifically known as Cassia fistula Linn. and commonly called the Golden Shower tree, is an important medicinal plant used in Ayurveda. It has been valued for generations because different parts of the tree, including the fruit, leaves, bark and roots, are used in traditional herbal preparations. The fruit pulp is especially recognised for supporting bowel regularity because of its gentle laxative effect. Traditional practices also use the leaves externally for certain skin concerns and minor wounds. While Amaltas has a long history of medicinal use, its benefits should be considered alongside modern medical advice, and herbal remedies should be used under the guidance of a qualified healthcare professional.
Last updated on : 02 Aug, 2026
Read time : 14 mins

Amaltas, or Cassia fistula Linn., is a flowering tree that belongs to the Leguminosae family. It is recognised for its long hanging clusters of bright yellow flowers and cylindrical seed pods, making it one of the most distinctive trees found across many parts of India. It grows well in tropical and subtropical climates and is commonly seen in forests, roadsides and cultivated landscapes. Every major part of the tree, including its fruit, leaves, bark and roots, has been traditionally utilised in herbal preparations, making Amaltas an important botanical species in Ayurveda. Today, it continues to attract interest for both its traditional significance and the scientific research exploring its natural compounds.
This medicinal herb (Cassia fistula Linn.) is mainly collected from the natural growing regions of India. This tree is widespread in the forest areas of India, from the sub-montane forests of the Himalayas to the tropical monsoon forests of the Deccan plateau in the south and at different altitudes.
| Feature | Details |
| What is Amaltas |
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| Source of Amaltas |
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| Available Forms |
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| Alternative Names | Known by various names in different languages:
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| Properties of Amaltas |
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| Health Benefits of Amaltas |
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| Side Effects of Amaltas |
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| How to use Amaltas |
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Amaltas is known by various names across different regions and languages:
Uses of amaltas are endless, especially due to their various Ayurvedic pharmacological properties:
Due to these properties, this medicinal herb is effective in treating rheumatoid arthritis, gout, pruritus, skin diseases, jaundice, dysuria, blood disorders and cardiovascular diseases.
This medicinal herb (Cassia fistula) has numerous health benefits because of the numerous pharmacological effects associated with it. Here's a detailed look at how it can benefit various health conditions:

Amaltas has mild laxative properties due to anthraquinone glycosides found in its fruit pulp. These compounds help stimulate bowel movement and soften stools, providing relief from constipation. Additionally, Amaltas, when taken regularly, may help manage constipation due to its Sramsana (simple purgative) nature. This encourages the easy expulsion of waste from the large intestine, supporting digestive health. The fruit pulp, when consumed in moderate amounts, is effective in treating chronic constipation without causing dependence or harsh side effects. Typically, 1–2 teaspoons of the pulp are recommended.
Amaltas is traditionally used in Ayurveda to help manage piles (hemorrhoids), particularly when associated with constipation. Its mild laxative properties may help soften stools, reduce straining during bowel movements, and support comfortable defecation. However, scientific evidence supporting its effectiveness in treating piles is limited, and it should be used under medical guidance.
Amaltas has been used in traditional medicine to treat complaints related to hyperacidity. Its cooling effect aids in alleviating the impact of excessive stomach acid, relieving the sufferer from heartburn and indigestion. This medicinal herb's bark or its leaves can be prepared into a decoction to effectively ease digestion and reduce stomach acidity.
This medicinal herb is beneficial for treating rheumatoid arthritis because it has anti-inflammatory properties. Substances in the plant have anti-inflammatory properties that may also assist in controlling swelling of the joints familiar with this disease. Drinking a decoction of this tree's bark or leaves effectively manages arthritis.
This plant has been used traditionally to manage different skin disorders, such as allergies. These properties will prove particularly useful in skin conditions such as dermatitis, eczema, and other allergic skin reactions, where there is inflammation, microbial infection, itching, redness, and swelling. Amalta paste can also be used for external applications to treat the inflamed affected areas.
Due to its antispasmodic effects, it can be used to treat abdominal pain and cramps. It may be especially effective for intestinal colic or menstrual pain. The decoction of its bark or leaves is warm and can be ingested to lessen abdominal pain.
Some traditional Ayurvedic practices use the leaves or bark externally for minor cuts and bruises after preparing a paste or decoction. Laboratory studies suggest it may have antibacterial properties, but there is limited clinical evidence to confirm that it promotes wound healing in humans. It should not be used as a replacement for appropriate medical treatment, particularly for deep, infected or slow-healing wounds.
Because of the expectorant nature of Amaltas, it is effective in controlling coughs, especially the dry ones. A decoction of its bark or a tea prepared from its flowers should be taken in case of throat irritation and to facilitate the expulsion of phlegm.
Amaltas (Cassia fistula) is traditionally believed to support heart health and may offer cardioprotective benefits due to its antioxidant properties, which help reduce oxidative stress in cardiac tissues. It is suggested to assist in maintaining healthy cholesterol levels, support heart muscle function, and help prevent lipid accumulation that can contribute to cardiovascular risk and blood clot formation. However, these potential heart-related benefits are primarily based on preliminary and traditional reports, and further scientific research is needed to confirm its cardioprotective effects.
It also has diuretic effects and may be used in all sorts of urinary issues. It may also help increase the rate of urine production which may be of value in clearing toxins and preventing UTIs. A decoction of the root or bark of Amaltas traditionally serves this purpose.
It has many benefits to a person's health but should be used carefully and under the direction of a healthcare provider. That is why, if taken inappropriately or in large quantities, it is possible to experience side effects. It is always advisable to take the drugs in small amounts and then see how your body is going to react. If you are on medication or have certain known diseases, consult your doctor before taking it as part of your treatment.
Different parts of the Amaltas, particularly the fruit pulp, is traditionally used to support digestive health and overall well-being. Some of its common uses include:
Amaltas is widely used in Ayurveda as a mild natural laxative. The pulp of its fruit helps soften stools and promotes regular bowel movements, making it useful for occasional constipation.
Amaltas may help support healthy digestion by promoting smooth bowel movements and reducing digestive discomfort associated with constipation. It is traditionally used to maintain normal gastrointestinal function.
Amaltas may help relieve constipation, which can reduce straining during bowel movements and provide supportive relief in people with piles. However, more clinical studies are needed to confirm its effectiveness in treating hemorrhoids.
In Ayurveda, Amaltas is traditionally used to help manage certain skin conditions. Its antioxidant and anti-inflammatory properties may support healthy skin, although more clinical evidence is required.
Some preclinical studies suggest that Amaltas possesses anti-inflammatory properties that may help reduce inflammation and oxidative stress. However, further human studies are needed to validate these effects.
Amaltas has been traditionally used to support liver function and maintain liver health. Although experimental studies show promising results, clinical evidence in humans remains limited.
As a commonly used Ayurvedic herb, Amaltas is included in various formulations to support overall health and digestive wellness. It should be used in the recommended dosage and under the guidance of a qualified healthcare professional.
This medicinal herb (Cassia fistula) is a multipurpose tree with different plant parts employed in folk medicine. Here's how to use other parts of Amaltas:
It is always advisable to start with small quantities and work your way up if needed. For external use, do a skin test to know if you have an allergy to the product. It should be used under the recommendation of a qualified Ayurvedic practitioner or healthcare provider if one has a pre-existing medical condition or is on medication.
Bear in mind that this medicinal herb is powerful, and therefore, its application should be reasonable. In particular, consuming large amounts of the amaltas fruit pulp may cause stomach upset or diarrhoea. Pregnant and breastfeeding women and people should not take this medicinal herb with chronic diseases without consulting their doctor. Ensure each preparation is correctly identified to avoid using incorrect or toxic plant species.
While Amaltas is generally considered safe when used appropriately, potential side effects may include:
These side effects are usually mild and only manifest in rare cases when the drugs are used as prescribed.
Amaltas offers a wide range of health benefits, from easing constipation and piles to aiding skin disorders, joint pain, and urinary issues. With anti-inflammatory, laxative, antispasmodic, and antibacterial properties, it serves as a natural remedy in many traditional treatments. However, despite its therapeutic potential, it must be used with care. Overconsumption or misuse can lead to side effects like diarrhoea, allergic reactions, or interactions with medications. Therefore, it is essential to follow proper dosages and consult a doctor, especially for pregnant women, the elderly, or individuals with pre-existing conditions, to ensure safe and effective use.





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