What are the side effects of bilberry?

Answer:
Bilberries can be taken in large doses without any side effects. However, bilberry leaves shouldn't be taken in large doses or over long periods of time because they are toxic.
First answer by Gale Ency. of Alt Med. Last edit by Gale Ency. of Alt Med. Contributor trust: 16 [recommend contributor recommended]. Question popularity: 1 [recommend question].