- Hesperidin is a flavonoid found in citrus fruits such as lemons, oranges, and grapefruits before they ripen. Hesperidin is available as a supplement, both alone and in combination products with other ingredients. Scientific studies of the effects of hesperidin have used these combination products. As a result, conclusions about the effects of hesperidin alone cannot be made based on the available studies.
- Hesperidin may have antioxidant and antimicrobial properties. It may have effects on the immune system and help prevent disease. The combination products that contain hesperidin and other ingredients may have beneficial effects on blood vessels.