From Ayurveda to Rongoā Māori
Communities around the world learned how plants nourish, care and heal. Here their traditions stand beside present-day use, with respect for every culture.
GrapeFolk magic and herbal magic
BuchuLocal African healing traditions
Indian tobaccoCherokee medicine
Lignum vitaeHerbal knowledge of the Caribbean
Yerba mateKallawaya healing knowledge
CautionSouth America · Herb · № 911
Schkuhria pinnata
A small, finely branched annual herb of the daisy family with tiny yellow flowers. It tastes bitter. There is laboratory research on compounds that act on blood sugar, but studies in people are lacking.
South America · Herb · № 913
Gentianella bicolor
A small, very bitter herb of the gentian family, related to hercampuri. Gentians contain bitter compounds that stimulate digestion. Clinical studies are lacking.
South America · Herb · № 912
Geranium ayavacense en Geranium sessiliflorum
Low, rosette-forming cranesbills with a thick root. They contain tannins. Whether the tea lowers blood sugar has not been properly studied in people.
CautionSouth America · Herb · № 878
Smallanthus sonchifolius
A plant of the daisy family with sweet, crunchy tubers full of inulin and fructo-oligosaccharides, which the body barely absorbs. The leaf has been studied for diabetes; evidence in humans is lacking.
CautionAsia · Herb · № 540
Premna obtusifolia
Traditionally attributed effects: strengthens the heart, stomachic, carminative, cleansing, tonic, anti-inflammatory, lowers blood sugar; for swellings, pain and diabetes; part of 'dashamula'.
CautionSouth America · Food · № 916
Neltuma pallida (syn. Prosopis pallida)
A thorny tree of the pea family, related to mesquite, with sweet pods full of sugars. With its deep roots the tree holds the dry forest together.
CautionNorth America · Herb · № 160
Panax quinquefolius
Chinese medicine regards it as more 'cooling' than Asian ginseng and uses it for fatigue and thirst. Some studies find a slight effect on post-meal blood sugar and colds; evidence is limited.
CautionAsia · Herb · № 17
Withania somnifera
An Ayurvedic medicinal plant. Some preparations have been studied for stress and sleep, but evidence is limited and products vary.
CautionAsia · Herb · № 36
Panax ginseng (ook P. quinquefolius)
Research consists mostly of small, short studies; there is little evidence of health effects.
CautionAsia · Herb · № 496
Ficus benghalensis
Traditionally attributed effects: antiseptic, aphrodisiac, astringent, cooling, stops bleeding, lowers blood sugar; leaves for diarrhoea and dysentery; milky sap externally for pain, bruises, ulcers, rheumatism, lumbago; bark for diabetes, gonorrhoea.
CautionSouth America · Herb · № 889
Grimolobium pubescens (syn. Otholobium pubescens, Psoralea pubescens)
A shrub of the pea family with leaves in threes. It contains bakuchiol, among other compounds; extracts lowered blood sugar in experiments with mice. Studies in people are lacking.
CautionEurope · Food · № 101
Vaccinium myrtillus en V. vitis-idaea
Rich in anthocyanins. Dried berries are an old remedy for diarrhoea. NCCIH reports there is not enough evidence for eye, blood-vessel or other claims.
CautionSouth America · Herb · № 857
Centaurium cachanlahuen
A small bitter herb with pink flowers, related to the European common centaury. Traditionally for fever and digestion; clinical research is lacking.
CautionSouth America · Herb · № 891
Baccharis genistelloides (en B. trimera)
A perennial with flat, winged stems and hardly any leaves. One of the best-studied Baccharis species; it contains flavonoids that may be anti-inflammatory. Clinical evidence is lacking.
CautionSouth America · Herb · № 919
Phyllanthus niruri (en P. stipulatus, P. urinaria)
A small herb with rows of fine leaflets and tiny fruits beneath them. In experiments it inhibited the formation of kidney stone crystals and acted as a diuretic; small studies in people do not yet give clear evidence.
CautionAsia · Food · № 635
Dioscorea polystachya (syn. D. opposita)
Traditionally attributed effects: strengthens spleen, stomach and lungs, helps regulate the hormone system in women and is said to lower blood sugar.
CautionSouth America · Herb · № 856
Grimolobium glandulosum (syn. Otholobium glandulosum, Psoralea glandulosa)
A shrub of the pea family with glandular, fragrant leaves. Traditionally used for digestive complaints, diarrhoea and on wounds; good research is lacking.
CautionCentral America and the Caribbean · Herb · № 928
Turnera diffusa
A small, woody shrub with small, strongly scented leaves and yellow flowers. Contains flavonoids such as apigenin and acacetin, terpenes and a small amount of cyanogenic glycosides. Considered mildly calming and uplifting; which substances cause this is not known.
CautionNorth America · Herb · № 966
Oplopanax horridus
An ivy-like shrub with large, hand-shaped leaves and spines over the whole stem and the leaf veins. Research into a blood-sugar-lowering effect is at an early stage.
CautionAfrica · Herb · № 118
Trigonella foenum-graecum
The seed has been studied for blood sugar and for increasing breast milk. NCCIH reports there is not enough strong evidence for these uses.
CautionAsia · Herb · № 119
Alpinia galanga
A relative of ginger traditionally used for nausea, wind and sluggish digestion. Clinical evidence is limited.
CautionEurope · Herb · № 297
Galega officinalis
Traditionally attributed effects: lowers blood sugar, stimulates insulin, promotes milk flow, diuretic.
CautionAsia · Herb · № 1
Zingiber officinale
Traditionally used for nausea and digestive discomfort; it has a warming flavor.
CautionAsia · Food · № 269
Hordeum vulgare
Traditionally attributed effects: astringent, light; good for skin and hair.
CautionAsia · Herb · № 37
Ginkgo biloba
There is no conclusive evidence that ginkgo helps any health condition. A modest effect on dementia symptoms is possible, but results are inconsistent.
CautionEurope · Herb · № 60
Angelica archangelica
An aromatic bitter traditionally used for bloating, poor appetite and colds. Clinical evidence is limited.
CautionSouth America · Herb · № 879
Ilex guayusa
A relative of yerba mate; the leaf contains a lot of caffeine and is stimulating.
CautionAsia · Herb · № 506
Gymnema sylvestre
Traditionally attributed effects: astringent, stomachic, tonic, cooling, diuretic, lowers blood sugar (suppresses sweet taste); for diabetes and sugar in the urine, snake bites, fever, cough, swollen glands.
CautionSouth America · Herb · № 881
Gentianella alborosea (en G. nitida)
A small, very bitter herb of the gentian family. It is sold for liver, gallbladder and cholesterol complaints and for weight loss; good research is lacking.
CautionAsia · Herb · № 469
Coptis teeta
Traditionally attributed effects: bitter tonic, fever-reducing; stimulates appetite, restores digestion, against flatulence, for jaundice, weakness, recovery after fever; eye ointment for conjunctivitis; in China against diabetes.
CautionAsia · Herb · № 543
Pterocarpus marsupium
Traditionally attributed effects: astringent, cleansing, lowers blood sugar; kino for diarrhoea and toothache; bark for diarrhoea and diabetes; leaves on boils, ulcers and skin diseases.
CautionAsia · Herb · № 490
Erythrina variegata
Traditionally attributed effects: promotes bile, expectorant, fever-reducing, expels worms; for dysentery, worms, eye inflammation, rheumatic joints, liver complaints, diabetes, painful menstruation and infertility, promotes milk flow.
CautionAsia · Herb · № 491
Eugenia jambolana
Traditionally attributed effects: astringent, stomachic, diuretic, lowers blood sugar; seeds for diabetes, bark for chronic diarrhoea, dysentery, heavy menstruation, spongy gums, stomatitis; diarrhoea in children.
CautionEurope · Herb · № 81
Juniperus communis
The berries are traditionally used as a diuretic, for digestive complaints and externally for joint pain. Clinical evidence is limited.
CautionSouth America · Herb · № 33
Uncaria tomentosa
There is no conclusive scientific evidence that cat's claw helps any health condition.
CautionAfrica · Herb · № 116
Ammi visnaga
Contains khellin, a muscle relaxant that widens the airways and blood vessels. Khellin was the basis for modern drugs such as cromoglicate (for asthma) and amiodarone (for heart rhythm disorders).
Featured · Central America and the Caribbean · Curanderismo
Salvia divinorum
A sage with large leaves containing salvinorin A, a very potent substance acting on the kappa opioid receptor. Brings short-lived, often intense changes in perception and the feeling of leaving the body.
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43 traditions
How communities built up and passed on their knowledge of plants, region by region.
113 recipes
Soups, teas and dishes in which herbs play a leading role.
146 formulas
The classical Chinese formulas, also listed by condition.