Educational information, not medical advice — ask your doctor or midwife.
What is the charcoal tree?
Charcoal tree is a fast-growing tree of West Africa, known as sesea in Twi and afefe in Yoruba. Healers used the bark, leaves and roots. The botanical name is Trema orientalis.
One safety point comes before anything else. Close relatives in the same plant group hold a toxin that has killed grazing cattle and horses through sudden liver failure. Whether sesea itself carries that toxin is not settled.
The tree is also an everyday plant, not only a remedy. Its soft wood burns down to good charcoal, which is where the English name comes from. Farmers cut the leaves to feed goats and cattle.
In folk use, people boiled bark or leaves in water and drank the liquid. Crushed leaves were laid on sores. Long use in a tradition is not proof that a plant works, and it is not proof that it is safe.
Here is the honest verdict on the evidence. There are no good trials of this plant in people. Almost everything written about its effects comes from test tubes and from rats and mice.
One more thing to clear up. Charcoal tree is not the same as activated charcoal, the black powder sold for wind and poisoning. They share a word and nothing else.
How is it thought to work?
Nobody has shown how this plant acts in the human body. Everything below comes from the laboratory.
In test tubes, leaf and bark extracts slow the growth of some bacteria and fungi. The strength varies a lot between samples. Whether this does anything inside a person is unknown.
In lab tests against malaria parasites, some extracts cut parasite growth. That is a long way from treating malaria in a sick person. No trial has tested it that way.
In rats and mice given extracts, researchers have reported lower blood sugar, lower fever and less pain response. Animal findings often fail to repeat in humans. Read them as a reason to study the plant, not as proof.
The bark is rich in tannins, which bind proteins and can firm up loose stools. This may be behind the old use for diarrhoea. It is a fair guess, not a tested finding.
The same lab work raises the liver question. Some rodent studies of the genus show damage to liver cells at higher doses. Nobody has mapped a safe human dose.
How is it used or sold?
This is mostly a market and bush remedy, not a packaged supplement. You are unlikely to find a tested product in a pharmacy.
Forms reported in use include:
- Bark boiled in water and drunk as a dark tea - Leaf infusions, taken warm - Fresh leaves crushed into a paste for the skin - Dried bark or leaf powder - Root pieces added to mixed herbal brews - Steam from boiled leaves, breathed in for a blocked nose
Mixed brews are common and raise the risk. When several plants go into one pot, nobody can say which one caused a good or bad effect.
Charcoal made from the wood is a fuel. It is not a medicine, and it is not activated charcoal.
What did tradition claim?
The charcoal tree has a long record as a village remedy across West Africa. Healers in Ghana, Nigeria and nearby countries treated it as a general-purpose plant.
Recorded past uses included:
- Fever, including fevers blamed on malaria - Cough, sore throat and chest tightness - Diarrhoea and dysentery - Worms in the gut - Sores, boils and wounds, dressed with crushed leaves - Body pain and swelling
The tree spread far beyond Africa. Similar uses were written down in India and Southeast Asia, where it also grows.
Its other roles kept it close to home. People burned the wood for charcoal, fed the leaves to livestock and planted it to hold poor soil. That everyday presence is part of why it entered the healing repertoire.
None of this history tells you what a dose should be or who it harms. Those questions were never answered by the tradition, and modern research has not answered them either.
When should you see a doctor?
Stop using it and get medical help the same day if you notice:
- Yellow eyes or yellow skin - Dark urine or pale stools - Pain under your right ribs - Vomiting that will not settle - Deep tiredness or confusion - Easy bruising or bleeding
These can be signs of liver injury and need urgent care.
Get seen urgently for a fever in a malaria area, especially in a child. Do not wait to see if a tea helps.
Also see a doctor for diarrhoea lasting more than two days, blood in the stool, or signs of water loss such as dizziness and little urine. A wound that spreads, smells or swells needs care too.
Tell the clinician exactly what you took, which part of the plant it was, and when. Bring the material if you still have it.
Charcoal tree is not an approved medicine in the UK, the EU, the US, Canada or Australia. No regulator has reviewed it for safety or effect. In Ghana and Nigeria it is sold mainly as a market and bush remedy, and licensed herbal products containing it are rare.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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