Hill's Prescription Diet Feline y/d is a dietetic food specifically formulated for the nutritional management of adult cats with hyperthyroidism. It contains a strictly controlled iodine level (0.18 mg/kg) that helps regulate thyroid function and thyroid hormone production when fed as an exclusive diet.

Yes, Hill's Prescription Diet Feline y/d is a veterinary diet. As it is formulated with reduced iodine levels to manage feline hyperthyroidism, its use should always be recommended and monitored by a veterinarian to ensure the safety and efficacy of your cat's treatment.

In addition to regulating the thyroid by limiting iodine, this diet offers vital support for kidney function and urinary tract health thanks to its balanced mineral profile. It also contains fish oil rich in omega-3 fatty acids to promote healthy skin and coat, and fibres that support healthy digestion.

The transition to Hill's Prescription Diet Feline y/d should be done gradually over 10 days. On days 1 to 3, mix 75% of the old diet with 25% of the new; on days 4 to 6, offer 50% of each; on days 7 to 9, increase to 75% of the new and 25% of the old. On the 10th day, your cat can consume 100% of the new diet.

This diet provides complete and balanced nutrition, featuring 33.5% protein and 22% fat in its analytical constituents. It is also enriched with L-carnitine, taurine, and a complex of natural vitamins and minerals to support the overall health of adult cats.

To effectively manage thyroid function, Hill's Prescription Diet Feline y/d must be fed as an exclusive diet. The introduction of other foods, treats, or supplements can provide extra iodine and compromise the strict restriction of this mineral, reducing the food's efficacy.