diarrhea, and mouth and throat irritation by reducing swelling (inflammation). There is some evidence that the chemicals found in bilberry leaves can help lower blood sugar and cholesterol levels.
In this Article
Bilberry leaf probably isn't safe for most people when taken in high doses or for a long time. If you have diabetes, keep in mind that bilberry leaf might lower blood sugar. Monitor your blood sugar closely.
Do not use bilberry in medicinal amounts if:
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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