UT Synergy™ features Hibiscus sabdariffa, a unique compound designed specifically to support the health of the urinary tract. Hibiscus sabdariffa is an extract of the Hibiscus species that is high in certain organic acids and polyphenols, especially flavonoids and proanthocyanidins. These compounds provide microbial inhibition and bacterial anti-adhesive properties. Additionally, this formula acts as a mild natural diuretic to support healthy kidney function and to provide a soothing effect on the genitourinary mucosal lining. Made with non-GMO ingredients.