Giyayya
Quick Facts
- What it is: Giyayya is the Hausa name for Mitragyna inermis, a West African tree whose leaves and bark are boiled as a folk remedy.
- Main uses: Fever and malaria (traditional), Diarrhoea, Wounds and skin sores, High blood pressure, High blood sugar
- Active ingredients: Mitraphylline, Isomitraphylline, Uncarine alkaloids, Rhynchophylline, Tannins and flavonoids
- Forms: Leaf decoction (boiled tea), Bark or root decoction, Dried leaf powder, Wash or poultice, Chewing stick
- Time to effect: Not known; it may do nothing
- Side effects: Gut upset is common; low blood pressure, slow pulse and low blood sugar are the main worries.
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What is Giyayya?
Giyayya is the Hausa name for Mitragyna inermis, a shrub or small tree of the West African savanna. Healers use the leaves, bark and roots. Most often the plant is boiled into a decoction (a strong boiled tea).
It is a close relative of kratom, in the same plant genus. Its chemistry is not the same. Giyayya is not a known source of mitragynine, the main active compound in kratom.
The tree grows near rivers and seasonal ponds across the Sahel. Farmers also use it as animal feed and firewood. In markets you may see bundles of dried leaf or bark.
Here is the short verdict on evidence. Nearly all the research sits in test tubes and in rodents. No good human trial supports any of its uses.
Long use in tradition is not proof that a remedy works. It is also not proof that it is safe.
How does Giyayya work?
The honest answer is that nobody has shown how Giyayya works in people.
The leaves and bark hold alkaloids. These are bitter plant compounds that can act on nerves, blood vessels and the gut. Several of them have been studied in the lab.
In test tubes, leaf and bark extracts slow the malaria parasite. Whether that happens inside a person drinking the tea is not known.
In rodents, extracts have lowered blood pressure and slowed the heart rate. Other rodent work found less diarrhoea and lower blood sugar. These are animal results, not human ones.
Some alkaloids in this plant group, such as rhynchophylline, relax blood vessels in lab tests. That finding comes from cells and animals only.
Lab tests also show the extracts slow some bacteria and fungi. This has not been tested on wounds in people.
So the proposed actions are plausible. They are not proven, and the strength of any effect in a cup of tea is unknown.
What forms does Giyayya come in?
Most people meet Giyayya as a boiled water decoction (a strong boiled tea) of leaf, bark or root.
Common forms include: - fresh or dried leaves, boiled - stem bark and root bark, boiled - dried leaf powder - washes and poultices placed on wounds or sores - twigs used as chewing sticks
The plant is rarely sold as a capsule or tincture outside West Africa. There is no tested, dosed product with a label you can rely on.
Healers often blend it with other herbs. That means a given mix may hold plants you cannot name. Mixed remedies also make any reaction harder to trace.
Dried market material can be mislabelled or swapped for another species. Looks alone cannot confirm what you have bought.
Where it comes from:
Giyayya has held a long place in West African folk medicine across the Sahel.
Healers in Nigeria, Niger, Mali, Burkina Faso and Senegal used it widely. Written surveys record it for fever and malaria, wounds, stomach trouble and swelling. It was also valued as fodder and as a chewing stick.
Some traditions used it in women's medicine around childbirth. That is one reason it is kept away from pregnancy today.
The bark was often the part used for serious complaints. Leaves were more common for teas, washes and everyday fevers.
Its traditional standing is broad, old and still alive in markets and clinics across the region.
Who should avoid Giyayya?
- Do not use if you are pregnant, as some traditions used it to act on the womb.
- Do not use if you are breastfeeding.
- Never give it to babies or children.
- Do not use if you take medicine for high blood pressure.
- Do not use if you take heart-slowing drugs such as beta blockers or digoxin.
- Do not use if you take insulin or other diabetes medicines.
- Do not use if you have liver disease or kidney disease.
- Do not use if you have epilepsy (a seizure disorder) or take seizure medicine.
- Never use it in place of malaria testing and malaria drugs.
- Do not use it on a deep, dirty or spreading wound instead of medical care.
- Avoid it for two weeks before any planned surgery.
- Do not use it with alcohol, sleeping tablets or strong painkillers.
- Do not use it if you already feel faint, weak or very dehydrated.
When should you see a doctor?
Stop using it and see a doctor if you notice any of these: - fainting, or near-fainting when you stand - a pulse that feels very slow or irregular - chest pain or breathlessness - yellow eyes or skin, or dark urine - shaking, sweating or confusion, which can mean low blood sugar - a rash that spreads - vomiting that will not stop
Call emergency services for a seizure, for confusion, or for a fever with a stiff neck or trouble breathing. A fever that does not settle within 48 hours needs a malaria test, not more tea.
Is Giyayya legal where you live?
In the United States, United Kingdom and European Union, Mitragyna inermis is not a controlled drug. It is also not approved as a medicine, and it is not an authorised novel food in the UK or EU. It is sold openly as a herbal material in West African markets. Note that kratom, a different species, is banned or restricted in several countries.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
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