Food and Diet to Cure Cystitis and Urinary Tract Infections. 1  Almonds. 2  Fresh Coconut. 3  Chestnuts. 4  Alfalfa sprouts. Alfalfa is a powerful natural remedy for UTIs and cystitis. It can be taken in capsule form, as a juice and eaten whole and fresh in salads and the like. 5  Radish sprouts. 6  Chia sprouts. 7  Un-sprouted Sesame. 8  Flaxseed.