Bluebonnet’s Standardized Bilberry Fruit Extract Plus Lutein Vcaps contain a highly advanced bilberry fruit extract (80 mg/serving) from Indena standardized to 25% anthocyanosides (20 mg/serving), with 2 mg of lutein from pure marigold extract. Plus, the easy-to-swallow vegetable capsules contain a patented enzyme delivery system (e-d-s) from 100% plant sources to efficiently break down the botanical extracts for maximum assimilation and absorption.