Source Naturals Bilberry Extract Vitamin | 100 mg | 120 Tabs. Promotes vision, kidney and urinary tract health o Standardized to 32% anthocyanosides o Suitable for vegetarians and hypoallergenic o o Source Naturals Bilberry Extract Vitamin | 100 mg | 120 Tabs o Sold by Swanson Vitamins... - Source Naturals Bilberry Extract Vitamin | 100 mg | 120 Tabs.