Educational information, not medical advice — ask your doctor or midwife.
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Kadalī is the banana or plantain plant. Its Latin name is Musa paradisiaca. People take it mainly to settle the gut.
It is used for loose stools, an irritated stomach lining and poor appetite. The ripe fruit is also eaten as a simple energy food while you get well.
Ayurveda uses it as a single drug. That means one plant on its own, not part of a mixed formula. The ripe fruit, the green fruit, the flower, the stem and the root are all used.
The short verdict: banana is a safe everyday food with a long Ayurvedic record. But human trial evidence for its medical claims is thin.
Long use tells you what people have done for centuries. It is not proof that the plant works. That applies to everything on this page, so we will not repeat it in each section.
Most of what banana does in the gut comes from plain food chemistry. There is no special drug action.
Green banana is high in resistant starch. This is a starch your small bowel cannot digest. It moves on to the large bowel.
There, gut bacteria ferment it into short-chain fatty acids. These help the bowel lining take up water. This is the usual reason why cooked green banana firms up loose stools.
Ripe banana is high in soluble fibre, a fibre that forms a gel in water. It is also high in potassium. Your nerves and heart rhythm depend on that mineral.
Lab and animal work hints at one more effect. Banana pulp may thicken the stomach's protective mucus layer. This has not been confirmed in people.
The commonest forms are simply food. Ripe fruit is eaten raw. Green fruit is cooked as a vegetable.
Green banana flour and cooked green banana are the forms used for loose stools. They are eaten as part of a meal, often with rice or curd.
Banana flower is cooked as a vegetable in South Indian and Bengali food. It is the form most often linked with women's health uses.
Banana stem is the inner core. It is juiced or cooked. It is the form given by tradition for urinary problems.
Other forms include dried banana powder and banana peel ash, used in old recipes. The leaf is used as a plate, and to wrap poultices. It is not swallowed.
Kadalī appears in the classic Ayurvedic texts. These include the Charaka Samhita and the Sushruta Samhita. It is also in later works such as the Bhavaprakasha Nighantu.
The texts call it sweet, cooling and nourishing. It is used to build body tissue and to calm an irritated gut.
The plant comes from South and Southeast Asia. People have grown it there for thousands of years.
Siddha medicine uses the same plant. So do home remedies across the tropics. That is why it is one of the best-known plants in the Ayurvedic food-medicine list.
See a doctor if diarrhoea lasts more than two to three days, or sooner if there is blood in the stool, a high fever, or signs of dehydration such as very little urine, a dry mouth or dizziness on standing.
Get medical help straight away if you have swelling of the lips, tongue or throat, a widespread rash, or trouble breathing after eating banana.
Also get urgent help if you feel muscle weakness, a slow or irregular heartbeat, or tingling and numbness while taking potassium-raising medicines — these can be signs of high blood potassium.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
Reviewed by the HealisticMD editorial team How we grade evidence →
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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