VetriScience UT Strength Feline Bite-Sized ChewsVetriScience Laboratories' UT Strength Feline can be used long term for those cats that are prone to urinary tract issues or crystals. UT Strength contains D Mannose, a naturally occurring simple sugar that removes harmful bacteria by attachment and voiding. It's absorbed eight times slower than glucose is not converted to glycogen or stored in the liver when ingested. Rather, D Mannose goes directly into the blood stream from the kidneys to the