Blueberry Leaf

(vacdnium angustifolium)

Blueberry is closely related to the European bilberry (Vaccinium myrtillus). A few species of blueberries exist—including V. pallidum and V. corymbosum—and grow throughout the United States. Blueberry leaves are the primary part of the plant used medicinally. However, the berries are occasionally used.

Traditionally, a tea made from blueberry leaves was considered helpful in diabetes, urinary tract infections, and poor appetite. The berries were a prized commodity among the indigenous peoples of North America.

What it does

Astringent Tannins make up as much as 10% of blueberry leaves. The leaves of the blueberry plant are a rich source of chlorogenic acid, which has been shown to be effective against viruses such as herpes simplex. Chlorogenic acid inhibits fungal growth, effective against various pathogenic bacteria including E coli.

Potential Uses

Colds and flu Candida Urinary tract infections
Herpes virus Diarrhoea

Other information

The nature of tannins likely accounts for the usefulness of blueberry leaf in treating diarrhoea.

May help lower blood sugar levels in non-insulin dependant diabetics.


Do not take if you are taking diabetic medication.

At the time of writing there were no well known negative drug interactions with Bilberry Leaf.

Generally, there are no side effects or contra-indications from using Bilberry Leaf.


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