Bilberry (Vaccinium myrtillus) is a rich source of anthocyanosides, flavanols believed to be responsible for the herb's beneficial properties in promoting overall eye health. These flavanols contain potent antioxidant properties. In addition, they play a key role in building healthy connective tissue, improving circulation and maintaining normal night time vision.

Standardized extracts are guaranteed to contain a specific quantity of a known marker compound, and are laboratory tested to insure consistent potency. Nature's Answer capsules feature standardized extracts enhanced (Holistically Balanced) with the highest quality of organic, responsibly wildcrafted or cultivated herbs, which maintain the naturally-occurring constituents found in the plant. Manufactured to cGMP (current Good Manufacturing Practices) standards; Free of synthetic ingredients.