Indoor cats / Daily nutrition

For the cat
who rules the windowsill.

Indoor life keeps cats safe, and often less active. Whisker9 is a daily supplement for adult cats who live indoors: one sachet in their wet food, with every ingredient and amount disclosed.

In manufacturing. Orders aren’t open yet.

A black cat resting on a sunny windowsill, with a Whisker9 box and sachet on a shelf behind
Lifestyle concept. Final packaging may change.

The short answer

Do indoor cats need vitamins?

An indoor cat on a complete and balanced diet gets its essential vitamins from food. What changes indoors is mostly routine: less activity, more time near the food bowl and more time grooming. A daily supplement can add selected nutrients on top of that diet; it does not replace it.

Format
30 × 2.5 g sachets
Actives
17, every amount disclosed
Serving
1 sachet a day in wet food
Made for
Adult cats

Indoor life

What changes indoors.

Indoor cats live in a smaller world than their outdoor cousins. That changes how they spend their day, and it’s worth thinking about when you plan their food.

Less movement
Fewer chances to climb, stalk and roam means fewer calories burned. Portion control and play matter more than any supplement.
More grooming
Long, quiet days often mean more time grooming. Skin and coat nutrition, such as omega-3s, is part of the picture.
Hydration
Indoor cats on dry food can drink little. Wet food adds water to the diet, and Whisker9 is designed for wet-food meals.

Beyond the bowl

Nutrition is one part.

Veterinary guidelines on feline environmental needs stress play, places to climb and hide, and predictable routines for indoor cats. A supplement can’t replace any of that.

What Whisker9 can do is make one part of the routine simple: a measured serving of nutrients, added to a meal they already eat.

In every sachet

Chosen with indoor routines in mind.

A few of the actives in each sachet, and why they are in the formula:

AI-generated ingredient illustrations. Not actual supplied materials or a dose/scale reference. Daily amounts for a 10 lb / 4.5 kg adult cat.

See all 17 actives

Questions

Good to know.

All questions & answers
What vitamins do indoor cats need?

The same essential nutrients as any adult cat, which a complete and balanced food is formulated to provide. Indoor cats can benefit most from careful portions, wet food for hydration and daily play.

Will a supplement help my indoor cat lose weight?

No supplement is a weight-loss plan. Weight management comes down to portions, food choice and activity. Your veterinarian can help set a target weight and a feeding plan.

Is Whisker9 suitable for indoor cats?

Yes. Whisker9 is for adult cats, indoor or outdoor. For adult cats of all ages. Not for kittens or pregnant or lactating cats.

In manufacturing

The first batch
is on its way.

Orders and email signup are not open yet.

Expected to launch in the coming months.

Launch details

We’re getting the first batch ready. In the meantime, explore the full ingredient guide or ask us a question.

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