a hydrated cat is a healthy cat

cat years is a daily lickable treat that’s clinically proven to boost hydration

30-day great taste guarantee
Clinically provento boost hydration
vet recommendedfor daily use
Irresistibly deliciousgreat taste guarantee
Healthy snackhigh protein, low calorie

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."

30-day great taste guarantee

Hydration Booster

daily lickable treat

clinically proven irresistibly delicious vet recommended for daily use

select Flavor

Flavor

subscribe & save

how many cats?

30-day great taste guarantee
pause or cancel anytime
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

nutritional info

guaranteed analysis: crude protein (min) 14%, crude fat (min) 0.4%, crude fiber (max) 0.1%, moisture (max) 85%

calorie content: 11kcal ME/18g, 598 kcal ME/kg (calculated)

treat size: 1 treat is 18g (0.64 oz)

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.

how cat years works

hydration supports healthy

Kidneys

Kidneys

Urinary Tract

Urinary Tract

Gut movement

Gut movement

Joints

Joints

Skin & Coat

Skin & Coat

Energy

Energy

the science of flavor

we crafted a recipe that delivers on what cats care about most

taste

cats prefer umami & kokumi flavors

  • the same amino acids that boost hydration amplify those flavors even further
smell

cats noses are 14x stronger than ours

  • cooking with amino acids triggers the maillard reaction (the same chemistry behind a seared steak's crust), amplifying an aroma cats can't resist
texture

cats have ⅓ the taste buds we do

  • so aroma and texture drive their preferences more than taste, and our smooth, creamy texture carries flavor across their tongue with every lick
30-day great taste guarantee

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

try cat years today

Variety

Hydration Booster

Variety Variety
Variety
$34.99 $27.99
save 20%
Chicken

Hydration Booster

Chicken
Chicken
$34.99 $27.99
save 20%
Tuna

Hydration Booster

Tuna
Tuna
$34.99 $27.99
save 20%

meet the experts who developed cat years

Dr. Anna Kate Shoveller

Ph.D.

Dr. Shoveller is a Professor and University of Guelph Research Leadership Chair in the Department of Animal Biosciences at the University of Guelph, with a focus in Companion Animal Nutrition, Physiology, and Metabolism. She has published over 180 peer-reviewed papers, contributed to multiple book chapters, and applied for multiple patents.

Lawrence E. Armstrong

Ph.D., FACSM

Dr. Armstrong is a Professor Emeritus,
University of Connecticut, with former joint appointments in the Departments of Nutritional Sciences and Physiology / Neurobiology. He is a hydration expert with focus in water-electrolyte imbalances and hydration biomarkers, author of over 250 peer-reviewed articles and 41 book chapters.

Dr. Ashlie Saffire

DVM, Feline Specialist

Dr. Saffire is board-certified in feline
practice by the American Board of Veterinary Practitioners, former President of Feline Veterinary Medical Association, and an international speaker on feline medicine. She is the founder of Faithful Friends Veterinary Clinic and Cat Specialty Center, an AAHA-accredited and Gold Level Cat Friendly Practice in Ohio.

Dr. Pauline Kosmal

Ph.D.

Dr. Kosmal is a Postdoctoral Fellow in the Department of Animal Biosciences at University of Guelph, with focus on feline hydration, drinking behavior, and dietary polyphenol supplementation. Her research focus is to improve the health and well-being of domestic and wild animals through evidence-based nutrition.

My cats love cat years! They devour it every day and I feel better knowing they’re hydrated.

sarah

sarah

These treats are like kitty crack!

todd

todd

My cats go nuts for these. And I'm so happy they're hydrating because one of my cats doesn't drink enough water.

jessica

jessica

30-day great taste guarantee

us vs. them

cat years

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

Variety

Hydration Booster

Variety Variety
Variety
$34.99 $27.99
save 20%

How do cat years hydration boosters actually work?

cat years hydration boosters have 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: a delicious lickable treat your cat loves plus 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 hydration booster treats?

ANSWER: cat years is made with clean, high-quality ingredients including fresh chicken breast and wild-caught tuna. cat years has a proprietary hydration blend of amino acids, electrolytes, and osmolytes. It is non-GMO and has no artificial flavors, artificial colors, preservatives, by-products, and added phosphorus. cat years is formulated only with ingredients commonly recognized as safe for cats.

tuna flavor: tuna broth, wild caught tuna, glycine, natural tapioca starch, purified mineral salt, natural dried yeast, chicken liver, natural guar gum, taurine, l-alanine, betaine

chicken flavor: tuna broth, chicken breast, glycine, natural tapioca starch, purified mineral salt, natural dried yeast, chicken liver, natural guar gum, taurine, l-alanine, betaine

Is cat years clinically proven?

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