Increasing the urine volume reduces simultaneously the saturation of urine with struvite and calcium oxalate so that Young Female S/O promotes a urinary environment unfavourable to the development of both struvite and oxalate crystals.

A high protein diet improves palatability, gives a feeling of satiety (stimulates carbohydrate synthesis) and maintains lean body mass (protein provides 30% less net energy than carbohydrates).

Addition of L-carnitine (limited lipogenesis) helps maintain a muscular silhouette and reduce fat deposition.