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Hill's Prescription Diet Feline y/d Thyroid Care

Product description

Hill's Prescription Diet Feline y/d Thyroid Care 5 21
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13.89 67.49 GBP 3
RRP*  £19.49
Our Price £13.89
(£9.26 / kg)
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RRP*  £49.99
Our Price £35.99
(£7.20 / kg)
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Economy Pack: 2 x 5kg
individually priced £71.98
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Product description

Dietetic dry food for cats with thyroid problems. With reduced iodine content, adapted phosphorus and sodium levels and a great taste

Vet Food Disclaimer

Hill's Prescription Diet includes a variety of clinically tested, therapeutic foods for treating a variety of different conditions in cats and dogs. Hill's Prescription Diet Feline y/d Thyroid Care Original is a dietetic dry food with reduced iodine levels, which can have a positive effect on the thyroid, and it is also designed to support kidney health in cats. Hill's Prescription Diet Feline y/d Thyroid Care Original also has controlled phosphorus and limited sodium levels.

You can help to manage your cat’s health by feeding this food exclusively for 3 weeks, which restore and maintain normal thyroxine levels. If you decide to feed this food to your cat, you should try to avoid feeding extra snacks and treats in between meals. The food has great taste that your cat will love.

Hill's Prescription Diet y/d Thyroid Care  at a glance:

  • Dietetic complete food for adult cats
  • Specifically developed for cats with hyperthyroidism
  • Tailored iodine content: to limit iodine uptake from meals
  • Supports thyroid health: recipe helps to regulate production in the thyroid and lessen the intensity of the symptoms of hyperthyroidism 
  • Balanced and nutritious: with vitamins, minerals, and trace elements as well as beta carotene and natural antioxidants to support vital functions and strengthen the immune system
  • With taurine: an essential nutrient for cats to support the heart and vision
  • Recommended by vets: for an effective, therapeutic diet
Read more about Hill’s brand philosophy and products here.
Hill’s Brand I Science Plan I Prescription Diet I Snacks


Vegetable protein extracts, grains, oils and fats, eggs and egg products, minerals, meat and animal by-products, seeds.

Additives per kg
Nutritional Additives:
Vitamin A (59,702mg), vitamin D3 (3142mg), iron (322mg), copper (56.3mg), manganese (14.1mg), zinc (227mg). With natural antioxidants.

Analytical constituents

protein 32.2 %
fat 23.6 %
fibre 1.1 %
ash 5.7 %
calcium 0.79 %
phosphorus 0.57 %
magnesium 0.07 %
beta-carotene 1.5 mg
iodine 0.18 mg
potassium 0.86 %
L-carnitine 505.0 mg
sodium 0.25 %
omega-3 fats 1.0 %
taurine 1.923 mg
vitamin C (ascorbic acid) 110.0 mg
vitamin E (tocopherol) 600.0 mg

Feeding guide

Feeding guidelines

Hill's Prescription Diet Feline y/d Thyroid Care is a complete dry food for adult cats. Supplements other than Hill's Prescription Diet Feline y/d Thyroid Care are not necessary and can reduce the effectiveness of the food.
For adult cats: These are recommendations only. Your pet may need less or more food to maintain proper weight. Adjust as needed. If you are feeding this food to your cat for the first time, mix a little y/d in with your cat’s normal food at first and then gradually increase the proportions over the course of 7 days until the cat is wholly fed with y/d.

Cat’s weight Daily amount in g
2kg 30 - 40
3kg 40 - 50
4kg 45 - 65
5kg 55 - 75
6+ kg 11 per kg



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