(Juglans nigra)
In the United States Native Americans traditionally valued kernels of black walnut as a food source and utilized leaves for medical purposes to treat diarrhea, bilious, and cramp colic.
According to researchers walnut leaves (as do the nuts) have bacteria-killing and anti-parasitic properties. Tea can be made from the leaves and is said to be excellent for digestion. It may have a laxative effect.
A recent comprehensive review of research into walnut leaves found them to exhibit Anti-oxidant activity, lipid-lowering effects, anti-hypertensive effect, anti-microbial effects and gastro-protective activity.
Research suggests black walnut leaves may exert an anti-diabetic effect, anti-cancer effect, hepato-protective activity and have anti-ageing effects.
NOT TO BE TAKEN DURING PREGNANCY OR WHILE BREASTFEEDING.
Please consult your medical care provider before using any herbal medicine, particularly if you have a sensitivity or allergy to the herb, a known medical condition, are taking medication or if you are pregnant or nursing.