Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster
Hydration Booster

Hydration Booster

daily lickable treat

clinically proven irresistibly delicious vet recommended for daily use

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how many cats?

30-day great taste guarantee
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ingredients

With Tuna Ingredients: Tuna Broth, Wild Caught Tuna, Glycine, Natural Tapioca Starch, Purified Mineral Salt, Natural Dried Yeast, Chicken Liver, Natural Guar Gum, Taurine, L-Alanine, Betaine
With Chicken Ingredients: Tuna Broth, Chicken Breast, Glycine, Natural Tapioca Starch, Purified Mineral Salt, Natural Dried Yeast, Chicken Liver, Natural Guar Gum, Taurine, L-Alanine, Betaine

why cat years?
  • clinically proven to boost hydration
  • vet recommended for daily use
  • high protein, low calorie
  • 30-day great taste guarantee
suggested daily feeding
Feed at least one treat per day, or up to two for healthy adult cats.

your cat’s new favorite treat is actually good for them

Thunder & Tornado

"My fur babies love cat years!"

Winona

"She LOVES her cat years and won't share with her sister."

Enola

"She only eats dry food so we rely on cat years to help her get hydrated."

Whiskey & Ginger

"They need their hydration after being outside all day."

Penny

"My cat hears me open cat years from three rooms away and comes running."

Ollie

"These are like kitty crack."

Sherlock

"My vet recommended this and now it's Sherlock's favorite routine."

Mei

"This is the only lickable she likes!"

Chickie & Waffles

"Relieved to finally have a way to hydrate my boys - and they love it!"

Georgie

"The only thing my finicky boy will eat."

Gianluca

"He only pays attention to me when I have a cat years."

Pancake

"My boyfriend uses cat years to win over Pancake. And it's working."

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30-day great taste guarantee
Cat Years
it’s physically difficult for cats to drink their water.

it’s physically difficult for cats to drink their water.

cats are designed to eat their moisture, not drink it

so most cats drink half of the recommended amount.

so most cats drink half of the recommended amount.

just a 10lb cat needs approximately 8oz per day

ingredients with purpose

Cat Years ingredients

none of the bad stuff

No Artificial Flavors

No Artificial Flavors

No Artificial Colors

No Artificial Colors

No Preservatives

No Preservatives

No By-Products

No By-Products

non-GMO

non-GMO

No Added phosphorus

No Added phosphorus

us vs. them

the other guys

clinically proven to boost hydration

vet recommended for daily use

great taste guarantee

phd & nutritionist formulated

no added phosphorus

no artificial flavors or preservatives

single hand use

frequently asked questions

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Hydration Booster

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How do cat years Hydration Boosters actually work?

cat years uses a proprietary feline hydration blend of amino acids, electrolytes, and osmolytes that helps boost water absorption, optimize water balance, and keep cells hydrated in healthy adult cats. The formula was developed by PhD experts in hydration and feline nutrition (Kosmal et al., 2026).

How is cat years different from other lickable cat treats, mousses, or broths?

cat years is the best of both worlds: the delicious lickable treat your cat loves and clinically proven to boost hydration. Our proprietary blend of amino acids, electrolytes, and osmolytes helps boost water absorption, optimize water balance, and keep cells hydrated in healthy adult cats (Kosmal et al., 2026). Formulated by PhD experts in hydration and feline nutrition. Vet recommended for daily use.

What ingredients are in cat years?

cat years is made with fresh chicken breast, wild-caught tuna, and a proprietary hydration blend of amino acids, electrolytes, and osmolytes. It is non-GMO and free from artificial flavors, artificial colors, preservatives, by-products, and added phosphorus. cat years is formulated only with ingredients commonly recognized as safe for cats.

Is cat years clinically proven?

Yes. In a University Department of Animal Bioscience led study, one cat years Hydration Booster per day drove a statistically significant increase in hydration. This is based on two key biomarkers – increase in total water intake and decrease in urine specific gravity (i.e., urine concentration) (Kosmal et al., 2026).