Choosing cat supplements in Hong Kong: Nana and a cat friend sharing a mousse

How to Choose Cat Supplements in Hong Kong 2026: Care Needs, Formats and Common Buying Mistakes

Short answer: This guide covers six areas of cat care: digestion, hairballs, immune and skin support, urinary health, skin and coat care, and daily multivitamin support. Choose a cat-specific formula and a format your cat will accept, such as a powder, soft chew or lickable paste.

Buying supplements is twice as hard for cat owners as for dog owners. First, cats refuse a lot of things. Second, most of the “pet supplements” on the market were designed for dogs, and there are far fewer cat versions. This post starts with how cats are built — obligate carnivores, not big drinkers, and with no way of telling you they feel off — then maps that onto six common cat-care needs: which ingredients to look for in each, which format your cat is most likely to accept, and finally how to choose when you buy here.

Why cat and dog supplements aren’t interchangeable

  • Obligate carnivores — taurine, arginine and arachidonic acid (ARA) are essential for cats and they cannot make their own; dog formulas do not add them in particular.
  • Not naturally big drinkers — their ancestors lived in the desert, so urinary issues (stones, cystitis) are especially common, which makes water intake and urinary care a cat-only priority.
  • Constant grooming — hairballs are a cat-only gut problem, and it gets worse with long-haired cats and in shedding season.
  • Different metabolism — some ingredients that are safe for dogs (certain essential oils, high doses of certain vitamins) are things cats cannot metabolise.
  • They do not show pain — cats are very good at hiding it, so you have to read the indirect signals: stools, appetite, how often they groom.

Four directions, matched to your cat’s issue

Direction Signs Ingredients to look for Format we suggest
Gut / probiotics Soft stools, loose after a food change, smelly stools Cat-specific strains (DE111®, for example) + a prebiotic Powder over wet food is the easiest
Hairballs Throwing up fur often, fur in the stools, shedding season Omega-3 + fibre (psyllium husk, microcrystalline cellulose) + slippery elm bark Soft chews / mousse
Sensitive skin Licking and scratching non-stop when the season turns, itchy ears EpiCor®, L-lysine, quercetin, astragalus root Mousse (sensitive cats tend to be fussy)
Urinary Not much of a drinker, frequent trips to the tray with little output Cranberry concentrate + D-mannose; alongside more water Soft chews crumbled into food
Coat shine Dull, dry coat, flaky skin Omega-3 and 6 (fish oil or algae) Mousse / fish oil
All-round base No specific issue Fish oil + probiotics + taurine + arginine + biotin Mousse

For the gut side in detail, see how to choose a cat probiotic; to check whether the stools look right, run them past the cat stool score card.

Mousse is what cats will actually eat

Format: if your cat will not eat it, nothing else counts

Format How to feed it Which cats Watch out for
Mousse Squeeze it out and let them lick it, or stir it into food Fussy cats and cats that fight pills — the highest success rate Measured by body weight, such as 1 teaspoon per 4.5kg; refrigerate after opening
Powder Sprinkle over wet food and stir through Cats on wet food; single-serve packets stay freshest Dry-food-only cats need a splash of water added
Soft chews Feed as they are, or crumble into food Cats that will eat snacks Cat versions are small, with a set amount such as 2 chews a day
Fish oil Add to food by the teaspoon, measured by body weight Most cats are fine with the fish flavour Refrigerate after opening and use within 60 days
Nana
Nana’s tip

Do not buy the big jar the first time. Start with one mousse or a small size — a cat refusing to eat it is the most common reason this fails, not the product being bad. Once they eat it happily with no reaction, move up to the full size.

Three traps when buying cat supplements in Hong Kong

  • Buying the dog version — if the pack does not say “for cats”, do not buy it. Dog formulas do not specifically add the taurine and arginine cats need, and the recommended amounts may also differ.
  • Counting on a supplement for kidney disease — feline kidney disease needs veterinary assessment and care, which may include a prescription diet. Urinary supplements are everyday support only; they are not medicine for kidney disease.
  • Parallel imports — mousse, probiotics and fish oil all hate heat, and shipping and storage with no temperature control in a Hong Kong summer will cost them potency. Buy through an authorised channel and check the batch expiry date.

Where can you buy with confidence in Hong Kong?

NanaPaws is an authorised Hong Kong retailer for Zesty Paws (made in the USA, NASC Quality Seal). Everything in the cat range is a cat-specific formula, and the batch expiry date is published on every item:

Zesty Paws Cat Probiotic Powder
Zesty Paws Cat Probiotic Powder

Gut: the patented DE111® strain + Saccharomyces boulardii, 30 single-serve packets, pumpkin flavour to sprinkle over food | HK$274, free SF Express delivery on orders of HK$300 or more

Take a look →
Zesty Paws Cat Hairball Bites
Zesty Paws Cat Hairball Bites

Hairballs: AlaskOmega® fish oil + psyllium husk + slippery elm bark, working on hairballs and the gut at the same time | HK$138, free SF Express delivery on orders of HK$300 or more

Take a look →
Zesty Paws Cat Aller-Immune Mousse
Zesty Paws Cat Aller-Immune Mousse

Sensitive skin: the mousse version of EpiCor® + quercetin + lysine, in a lickable format for cats that dislike chews | HK$108, free SF Express delivery on orders of HK$300 or more

Take a look →
Zesty Paws Cat Cranberry Bladder Bites
Zesty Paws Cat Cranberry Bladder Bites

Urinary: InCRANable™ cranberry + D-mannose + DE111® probiotic, suitable for both male and female cats | HK$138, free SF Express delivery on orders of HK$300 or more

Take a look →
Zesty Paws Cat 8-in-1 Multivitamin Mousse
Zesty Paws Cat 8-in-1 Multivitamin Mousse

All-round base: fish oil + probiotics + arginine + taurine + biotin, eight areas in one mousse | HK$108, free SF Express delivery on orders of HK$300 or more

Take a look →

Everything for cats is in the cat section. Wondering when a cat counts as senior? Check with the age converter.

Frequently asked questions

Do cats need supplements?

A healthy adult cat on a balanced complete diet does not necessarily need them. You start when there is a clear issue (soft stools, hairballs, seasonal sensitivity, not drinking much) or when you want a daily support. Cats need different things from dogs, so always pick a cat-specific formula.

Can I give my cat a dog supplement?

No. Cats are obligate carnivores, and taurine and arginine are essential for them; the ratios and amounts in dog versions are not right for cats, and there are ingredients cats cannot metabolise either.

What if my cat will not take supplements?

Go for mousse or powder: mousse gets licked straight off like a snack, powder stirs into wet food; soft chews can be crumbled into food. The same product usually comes in different formats, so pick the one your cat will eat.

How long before cat supplements make a difference?

Gut 2–4 weeks, hairballs 2–4 weeks, skin and coat 6–8 weeks, urinary care is an ongoing everyday job. If you see no change after the recommended period of use, ask your vet.

Can a cat with kidney disease take supplements?

Kidney disease needs veterinary assessment and care, which may include a prescription diet. Supplements are only everyday urinary support, not medication; if your cat is already under a vet's care, ask your vet before adding anything.

Nana
Written by Nana 🐾

NanaPaws’ chief taste tester and gatekeeper. NanaPaws specialises in Zesty Paws supplements. We are an authorised Hong Kong retailer, the batch expiry date is published on every item, and Free SF Express delivery on orders of HK$300 or more. Sources: Zesty Paws product labels, NASC, and public AAHA / WSAVA guidance.

This article is general pet care information and is not veterinary advice. Supplements are everyday support and cannot replace veterinary care; if your cat has ongoing symptoms, please see a vet.

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