Do Bilberry Supplements Work?

In one 3-week study, people taking a supplement containing 300 mg of bilberry anthocyanins daily experienced a 38–60% reduction in inflammatory markers, compared with a 4–6% reduction in the placebo group ( 14 ).

What is bilberry supplement good for?

Bilberry is used by mouth to treat poor circulation that can cause the legs to swell. Some people take bilberry for diabetes, high blood pressure, gout, urinary tract infections (UTIs), and many other conditions.

What are the side effects of bilberry extract?

Common side effects of Bilberry include:
  • Wasting syndrome (cachexia): weight loss, muscle loss, fatigue, weakness, loss of appetite.
  • Anemia.
  • Yellowing skin and eyes (jaundice)
  • Excitation at high doses (animal studies)
  • May affect blood sugar levels.
Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.