D-Mannose D-Mannose is a member of the sugar family, so many people may find it odd that it has the power it does in terms of treating urinary tract infection (UTI). It is mildly sweet in taste and occurs naturally in certain fruits, such as cranberries, peaches and apples. D-Mannose has, based on some research, performed equally as well as or better than antibiotics in treating UTI. Visit - https://www.nationalnutrition.ca/articles/supplements/d-mannose/