Hills Feline y/d Dry Food is a complete dietetic pet food for reduction of iodine levels in feed in cases of hyperthyroidism in adult cats. This food contains a restricted level of iodine.

Hill's Prescription Diet y/d Dry Cat Food is an easy and convenient way to reduce the iodine levels in food for cats with hyperthyroidism. For best results, consistent long term feeding of this product is critical for efficacy of the product benefits. Dry and canned formulas can be mixed or fed concurrently.

How it works:

Limited iodine Reduced phosphorus and sodium with omega-3 fatty acids from fish oil High levels of L-carnitine

How it helps:

Supports thyroid health Supports kidney and heart health Helps maintain lean muscle mass S+OXSHIELD: Formulated to promote a urinary environment that reduces the risk of developing struvite & calcium oxalate crystals

Additional info:

Please consult your veterinarian for further information on how our Prescription Diet foods can help your cat to continue to enjoy a happy and active life.

Recommended for:

  • Managing cats with hyperthyroidism

Not recommended for:

  • Growing kittens
  • Pregnant or lactating queens


COMPOSITION: Vegetable protein extracts, cereals, oils and fats, eggs and egg derivatives, minerals, meat and animal derivatives, seeds.

ANALYTICAL CONSTITUENTS: Protein 33.5%, Fat content 22.0%, Crude fibre 0.93%, Omega-3 fatty acids 0.9%, Crude ash 6.1%, Calcium 0.86%, Phosphorus 0.64%, Sodium 0.23%, Potassium 0.86%, Magnesium 0.08%; per kg: Vitamin A 9,014IU, Vitamin D3 783IU, Vitamin E 600mg, Vitamin C 110mg, Beta-carotene 1.5mg, Total Iodine 0.18mg, L-carnitine 561mg.

ADDITIVES PER KG: Nutritional additives: 3b103 (Iron) 97.0mg, 3b405 (Copper) 9.6mg, 3b503 (Manganese) 10.0mg, 3b603 (Zinc) 167mg, with natural antioxidant.

For more information and a feeding guide, please use the following link: https://www.hillspet.co.uk/cat-food/pd-feline-prescription-diet-yd-dry

Available in 1.5kg and 3kg bag sizes.

Hills Feline y/d Dry Food