Educational information, not medical advice — ask your doctor or midwife.
African frankincense is the gum resin and bark of Boswellia dalzielii, a tree of the West African dry savanna. Hausa speakers call it hano. Healers have used it for joint pain, stomach trouble, fever and sores.
The hardened gum is burned as incense. The bark is boiled in water to make a drink or a wash. Resin and bark powder are also put on the skin.
Here is the honest verdict. There are no published human trials of this plant, so almost everything known comes from lab dishes and animals. Long use in tradition is not proof that it works, and it is not proof that it is safe.
No one has shown in people how African frankincense works. The ideas below come from laboratory and animal work only.
Boswellia resins contain boswellic acids. In test tubes, these appear to slow 5-LOX, an enzyme that helps the body make inflammation signals.
Whether that happens in your body, at the amounts people actually use, has not been shown. The step from a dish to a person is a large one.
Bark extracts have slowed several bacteria and fungi in laboratory dishes. In rats, bark extracts have reduced paw swelling and protected the stomach lining. Animal results often fail to repeat in people.
African frankincense is mostly a local product. You are unlikely to find it in a high street shop.
Common forms:
Hard lumps of gum resin, burned as incense.
Dried bark, boiled into a drink or a wash.
Bark or resin powder, put on the skin.
Home-made water or alcohol extracts, often prepared by a healer.
Most capsules sold as boswellia hold a different tree. They usually hold Boswellia serrata, from India. Read the botanical name on the label before you assume the two are the same.
Boswellia dalzielii has a long record in West African medicine, across Nigeria, Niger, Ghana and Burkina Faso. Hausa speakers call it hano.
Healers boiled the bark for fever, stomach pain and diarrhoea. Bark and resin were spread on wounds, boils and swollen joints. The resin was burned at ceremonies, to scent rooms and clothes, and to drive off insects.
Most written records come from plant surveys of the 20th and 21st centuries. They describe what people did with the tree. They did not test whether it helped.
Stop and get emergency help if your face, lips or throat swell, or you struggle to breathe. That is an allergic reaction.
Stop and see a doctor if you get bad stomach pain, vomiting, black stools, or bruising you cannot explain.
See a doctor rather than carrying on if a fever lasts more than two days, a wound spreads or oozes, or joint pain keeps getting worse.
In the UK, US and EU, Boswellia dalzielii is not an approved medicine, and no herbal product based on it is registered. Where it is sold at all, it is traded as a raw herb, resin or incense rather than a tested supplement. In West Africa it is an ordinary market item, sold by herb traders and not held to a set strength.
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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