Benefits of bilberry liquid extract Alcohol-free A cost-effective, single-herb option that tastes great too Historically popular for ocular health History has it that bilberry was first taken by British Royal Air Force pilots in WWII so they could see better on their nighttime bombing runs. Because it's been used for so long and is so well known, it's no surprise that it's such a popular nutrient even today. Liquid extracts work faster and more complete than other forms of supplementation. There are no pills to swallow or herbs to steep. Liquid extracts are absorbed faster, have a longer shelf life, and are more convenient to carry with you. Just add them to water, tea or juice and enjoy a nutritious boost at home, work, or on-the-go. These statements have not been evaluated by the food and drug administration. These products are not intended to diagnose, treat, or prevent any disease.