Dyer's broom (Genista tinctoria) is a plant with yellow flowers that is native to the Mediterranean and Asia. The whole plant has been used as medicine.
People use dyer's broom for digestion problems, gout, bladder stones, and other conditions, but there is no good scientific evidence to support these uses.
Is It Effective?
There is interest in using dyer's broom for a number of purposes, but there isn't enough reliable information to say whether it might be helpful.
Is it Safe?
When taken by mouth: There isn't enough reliable information to know if dyer's broom is safe. It might cause side effects such as nausea, vomiting, and diarrhea.
Special Precautions & Warnings:
Pregnancy: Dyer's broom is possibly unsafe when taken by mouth during pregnancy. It might cause the uterus to contract, which may lead to a miscarriage.
Breast-feeding: There isn't enough reliable information to know if dyer's broom is safe to use when breast-feeding. Stay on the safe side and avoid use.
Caffeine
Interaction Rating=Moderate Be cautious with this combination.
Dyer's broom contains the chemical genistein. Genistein might slow down how quickly the body gets rid of caffeine. This might increase the effects of caffeine.
Caffeine-containing herbs and supplements: Dyer's broom contains genistein. Genistein might decrease how quickly the body gets rid of caffeine. Taking dyer's broom with caffeine might increase caffeine levels and side effects. Examples of supplements that contain caffeine include black tea, coffee, green tea, guarana, and yerba mate.
There are no known interactions with foods.
There isn't enough reliable information to know what an appropriate dose of dyer's broom might be. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult a healthcare professional before using.
Broom Flower, Dyers Broom, Dyer's Greenwood, Dyer's Weed, Dyer's Whin, Fleur à Teindre, Furze, Genestrelle, Genêt Bâtard, Genêt des Teinturiers, Genista tinctoria, Genette, Green Broom, Greenweed, Herbe à Jaunir, Herbe à Teindre, Petit Gênet, Royal Gold, Spargelle, Wood Waxen.
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