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Shop Premium Cat Supplements & Vitamins Online in Guernsey

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Vetoquinol Viralys, Lysine Powder for Cats and Kittens, 100 g
US Store
Vetoquinol

Vetoquinol Viralys, Lysine Powder for Cats and Kittens, 100 g
4.6

6k+ bought

GBP 36

Vetoquinol Viralys, Lysine Oral Gel for Cats and Kittens, 5 oz
US Store
Vetoquinol

Vetoquinol Viralys, Lysine Oral Gel for Cats and Kittens, 5 oz
4.4

4k+ bought

GBP 30

20% OFF
Pet Honesty Vet Backed Immune Lysine for Cats, Chicken, 30-Day Supply
US Store
Pet Honesty

Pet Honesty Vet Backed Immune Lysine for Cats, Chicken, 30-Day Supply
4.5

4k+ bought

GBP 16 20

HomeoPet Feline Nose Relief, Nasal Supplement for Cats, 15 Milliliters
US Store
HomeoPet

HomeoPet Feline Nose Relief, Nasal Supplement for Cats, 15 Milliliters
4.3

3k+ bought

GBP 24

L-Lysine for Cats, Immune, Respiratory, Eye Function Support, 60ML
US Store
SANTKOL

L-Lysine for Cats, Immune, Respiratory, Eye Function Support, 60ML
4.5

3k+ bought

GBP 25

Pet Honesty Vet Recommended Cat Urinary Supplement Crunchy Chews, 30ct
US Store
Pet Honesty

Pet Honesty Vet Recommended Cat Urinary Supplement Crunchy Chews, 30ct

3k+ bought

GBP 20

Nordic Naturals Omega-3 Fish Oil for Cats, w/EPA & DHA, Liquid - 2oz
US Store
Nordic Naturals

Nordic Naturals Omega-3 Fish Oil for Cats, w/EPA & DHA, Liquid - 2oz
4.2

3k+ bought

GBP 19

Rocco & Roxie Cat Urinary Tract Health Chews, Cranberry & D-Mannose
US Store
Rocco & Roxie Supply Co.

Rocco & Roxie Cat Urinary Tract Health Chews, Cranberry & D-Mannose
4.6

2k+ bought

GBP 19

Happy Wags Aim for Cats Powder, happywags Aim Kidney & Immune Support for Cats, Cat Supplement, 100g
US Store
FBDAZOLE

Happy Wags Aim for Cats Powder, happywags Aim Kidney & Immune Support for Cats, Cat ...
3.4

1k+ bought

GBP 40

7% OFF
VOSIFSDIY Cat Multivitamin,15 in 1 Cat Vitamins Liquid Drops Supplements for Heart Health, Bones, Joint, Skin & Coat, Bladder, Immune System Support 60ml
US Store
VOSIFSDIY

VOSIFSDIY Cat Multivitamin,15 in 1 Cat Vitamins Liquid Drops Supplements for Heart ...
4.5

1k+ bought

GBP 13 14

Rebound Recuperation Formula for Cats, Hydration Support
US Store
Virbac

Rebound Recuperation Formula for Cats, Hydration Support
4.4

1k+ bought

GBP 24

HomeoPet UTI+ Urinary Tract Supplement for Dogs and Cats, 15 Milliliters
US Store
HomeoPet

HomeoPet UTI+ Urinary Tract Supplement for Dogs and Cats, 15 Milliliters
4.4

1k+ bought

GBP 24

VetriScience Lysine Immunity Health Chews, Chicken, 120 Count
US Store
VETRISCIENCE

VetriScience Lysine Immunity Health Chews, Chicken, 120 Count
4.2

1k+ bought

GBP 25

Doctor By FELYSIN L-Lysine for Cats Lickable Immune Support Supplement Allergy Relief, Sneezing, Runny Nose, Cold, Watery Eyes Respiratory Health with Beta-Glucan & Taurine 30 Individually Packaged
US Store
Doctor By

Doctor By FELYSIN L-Lysine for Cats Lickable Immune Support Supplement Allergy ...
4.3

1k+ bought

GBP 38

Rocco & Roxie Cat Probiotics, Digestive & Gut Health Chews
US Store
Rocco & Roxie Supply Co.

Rocco & Roxie Cat Probiotics, Digestive & Gut Health Chews
4.5

1k+ bought

GBP 19

17% OFF
Pet Honesty Vet Backed Cat Multivitamin Lickable Puree, Salmon, 20 Ct
US Store
Pet Honesty

Pet Honesty Vet Backed Cat Multivitamin Lickable Puree, Salmon, 20 Ct
4.6

1k+ bought

GBP 24 29

Pet Honesty Vet Backed Cat Probiotic Chews, Chicken, 90-Day Supply
US Store
Pet Honesty

Pet Honesty Vet Backed Cat Probiotic Chews, Chicken, 90-Day Supply
4.6

1k+ bought

GBP 41

5% OFF
Pet Advanced Cat Probiotic Drops, Digestive Support,1 oz
US Store
Blisso

Pet Advanced Cat Probiotic Drops, Digestive Support,1 oz
4.1

1k+ bought

GBP 41 43

Doctor By Cat Biome Probiotics for cats Anti Diarrhea Feline Gut & Digestive Support Immune Health Sensitive Stomach Constipation with L. plantarum+Prebiotics 30 Lickable Formula Individually Packaged
US Store
Doctor By

Doctor By Cat Biome Probiotics for cats Anti Diarrhea Feline Gut & Digestive ...
4.4

1k+ bought

GBP 38

AminAvast 300mg Kidney Support for Cats & Small Dogs, 60 Sprinkle Capsules
US Store
AminAvast

AminAvast 300mg Kidney Support for Cats & Small Dogs, 60 Sprinkle Capsules
4.6

1k+ bought

GBP 41

Cat Probiotic Helps with Colic, Upset Stomach, Diarrhea, Gas, and Bloating Advanced Prebiotics & Probiotics for Cats Digestive Support Enriched with Chicken Flavor 2 Oz
US Store
SalutemPet

Cat Probiotic Helps with Colic, Upset Stomach, Diarrhea, Gas, and Bloating Advanced ...
4.4

800+ bought

GBP 23

9% OFF
Liquid Multivitamin for Dogs with Glucosamine Help with Allergies & UTIs Dog Vitamins and Supplements Cat Multivitamin for Hips & Joints B, C & D3 for Coat Shining & Digestion 2 oz
US Store
Golden Paw

Liquid Multivitamin for Dogs with Glucosamine Help with Allergies & UTIs Dog ...
4.5

800+ bought

GBP 20 22

6% OFF
Grizzly Wild Alaskan Salmon Oil Dog Food Supplement Omega 3 Fatty Acids, 16 oz
US Store
GRIZZLY PET PRODUCTS FOODS & SUPPLEMENTS ALL-NATURAL

Grizzly Wild Alaskan Salmon Oil Dog Food Supplement Omega 3 Fatty Acids, 16 oz
4.5

800+ bought

GBP 29 31

Standard Process Feline Renal Support, 90 Tablets
US Store
Standard Process Inc.

Standard Process Feline Renal Support, 90 Tablets
4.6

700+ bought

GBP 36

Bark & Whiskers Organic Fermented Mushroom Blend, 2.11 oz 60 Scoops
US Store
Dr. Mercola

Bark & Whiskers Organic Fermented Mushroom Blend, 2.11 oz 60 Scoops
4.4

700+ bought

GBP 24

11% OFF
2-Pack L-Lysine for Cats, Respiratory, Eye Function, Immune Support, 120ML
US Store
SANTKOL

2-Pack L-Lysine for Cats, Respiratory, Eye Function, Immune Support, 120ML
4.7

700+ bought

GBP 34 38

17% OFF
STRELLALAB Cat Probiotics Powder, 108 Scoops Daily Digestive Wellness
US Store
STRELLALAB

STRELLALAB Cat Probiotics Powder, 108 Scoops Daily Digestive Wellness
4.3

700+ bought

GBP 20 24

Cats & Dogs Natural Broad Spectrum Intestinal Defense & Digestive Liquid Herbal Support - Promotes Gut Health - Supplement Drops Herbal Cleanse 2 oz
US Store
TOBYDIC

Cats & Dogs Natural Broad Spectrum Intestinal Defense & Digestive Liquid Herbal ...
4.3

600+ bought

GBP 13

Taurine for Cats, Cat Taurine Supplement Powder 6 oz
US Store
zybeauty

Taurine for Cats, Cat Taurine Supplement Powder 6 oz
4.9

600+ bought

GBP 24

Cranberry Supplement for Cat UTI Treatment & Bladder Support with D-Mannose
US Store
Coco and Luna

Cranberry Supplement for Cat UTI Treatment & Bladder Support with D-Mannose
4.4

600+ bought

GBP 27

Under the Weather Ready Cal Powder for Cats | High-Calorie Weight Gainer & Appetite Stimulant | Cat Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals | Chicken Flavor
US Store
Under the Weather

Under the Weather Ready Cal Powder for Cats | High-Calorie Weight Gainer & Appetite ...

600+ bought

GBP 31

Doctor By UT Care Cat UTI Kidney Support Urinary Supplement Cranberry Treatment for Cats Renal Health with Pacran, Quercetin, Taurine lickable Formula Individually Packaged 1 Pack
US Store
Doctor By

Doctor By UT Care Cat UTI Kidney Support Urinary Supplement Cranberry Treatment for ...
4

500+ bought

GBP 38

Happy Wags Aim Powder for Cats - 50 Servings
US Store
HappyWags

Happy Wags Aim Powder for Cats - 50 Servings
3.3

500+ bought

GBP 40

Liquid Probiotics for Dogs & Cats of All Ages | Dog Probiotics to Provide Digestion Balance | Prebiotic Blend for Harmonious Food Absorption | 3 Billion CFU | Herbal Flavor | 2 Oz
US Store
Golden Paw

Liquid Probiotics for Dogs & Cats of All Ages | Dog Probiotics to Provide Digestion ...
4.3

500+ bought

GBP 22

13% OFF
VICSOM Taurine for Cats Vitamins Treats, 16 in 1 Cat Multivitamin 500 Ct
US Store
VICSOM

VICSOM Taurine for Cats Vitamins Treats, 16 in 1 Cat Multivitamin 500 Ct
4.3

500+ bought

GBP 21 24

5% OFF
Taurine for Cats Vitamins, 15 in 1 Cat Multivitamin Immune Support, 500ct
US Store
Dolean

Taurine for Cats Vitamins, 15 in 1 Cat Multivitamin Immune Support, 500ct
4.4

500+ bought

GBP 21 22

Just Try Taurine Chews for Cats with Vitamins & Omega-3, 300 Bites
US Store
Just Try

Just Try Taurine Chews for Cats with Vitamins & Omega-3, 300 Bites
4.4

400+ bought

GBP 24

Taurine for Cats Vitamins Treats Snacks 15 in 1 Cat Multivitamin 500 Chews
US Store
Cudory

Taurine for Cats Vitamins Treats Snacks 15 in 1 Cat Multivitamin 500 Chews
4.4

400+ bought

GBP 21

Taurine for Cats - Single Ingredient Taurine Powder for All Ages Including Kittens - 500mg Supplement - unscented 6oz
US Store
Natures Vitality Farms

Taurine for Cats - Single Ingredient Taurine Powder for All Ages Including Kittens ...
4.4

400+ bought

GBP 24

Happy Wags Aim for Cats, Daily Renal Wellness Powder with Amino Acids, Taurine and Bonito Flavor, Promote Metabolism, Supports for Heart, Vision & Daily Wellness in Dogs, 3.53oz 100g
US Store
SOLEFLEX

Happy Wags Aim for Cats, Daily Renal Wellness Powder with Amino Acids, Taurine and ...
3.5

400+ bought

GBP 40

Breeders Edge Nurture Mate Colostrum Gel for Puppies & Kittens, 30ml
US Store
Revival Animal Health

Breeders Edge Nurture Mate Colostrum Gel for Puppies & Kittens, 30ml
4.7

400+ bought

GBP 44

3 in 1 Probiotics for Cats Help with Gut, Upset Stomach, Diarrhea, Bloating
US Store
FANGCUN

3 in 1 Probiotics for Cats Help with Gut, Upset Stomach, Diarrhea, Bloating
4.2

400+ bought

GBP 17

Under The Weather Pet Kidney Cal for Cats 80cc | High Calorie Cat Kidney Support Supplement with Low Phosphorus, Potassium Gluconate & Electrolytes | Vet Formulated Salmon Flavor Gel
US Store
Under the Weather

Under The Weather Pet Kidney Cal for Cats 80cc | High Calorie Cat Kidney Support ...
3.8

400+ bought

GBP 39

Cat Multivitamin Chews - Cat Vitamins and Supplements - Taurine & Lysine
US Store
YUMA'S

Cat Multivitamin Chews - Cat Vitamins and Supplements - Taurine & Lysine
3.7

300+ bought

GBP 20

17% OFF
Catney One, 520mg. 30ct
US Store
Dechra

Catney One, 520mg. 30ct
4.4

300+ bought

GBP 57 69

14% OFF
BARK&SPARK Cat Probiotic Powder, 108 Servings Digestive Health Support
US Store
BARK&SPARK

BARK&SPARK Cat Probiotic Powder, 108 Servings Digestive Health Support
4.9

300+ bought

GBP 24 28

Boost Your Cat’s Wellness – Buy Premium Cat Supplements & Vitamins Online in Guernsey

A healthy cat is a happy cat. Whether you’re a new kitten parent or caring for a senior feline, giving your pet the right nutritional boost is essential. At Ubuy Guernsey, we bring you a carefully curated collection of cat vitamins and supplements to support your pet’s daily well-being.

From feline multivitamins to joint tablets for cats, explore our range of trusted products from popular brands like VetriScience, Tomlyn, Zesty Paws, NaturVet, and Life Extension. Whether your cat needs added support for immunity, digestion, or mobility, there’s something to suit every stage and lifestyle. 

Explore Different Types of Cat Supplements & Vitamins

Cats can’t always get everything they need from food alone. Depending on their age, diet, or health concerns, cat multivitamins and specialty supplements can fill nutritional gaps and keep them thriving. Let’s break down the different types of cat vitamins available here, each designed to cater to specific cat needs, from fur care to digestion and beyond. You can also browse related essentials like cat ear care, hip & joint care, itch remedies, and relaxants to provide holistic care,  all in one convenient place.

Multivitamins for Everyday Wellness

Give your cat the foundation for a healthy life with balanced cat vitamins and supplements. Brands like Tomlyn Daily Multivitamin Chews and Zesty Paws Core Multi Bites provide a daily boost of essential nutrients. These are ideal for filling gaps in homemade food diets, making them a must-have for owners looking for cat vitamins for homemade food. Rich in minerals and taurine, they support vision, heart health, and energy levels.

Joint Supplements for Mobility and Strength

Senior cats often show signs of slowing down. That’s where joint tablets for cats come in. Products like VetriScience GlycoFlex Stage III and NaturVet hip & joint advanced formula are crafted to protect cartilage and reduce discomfort. These supplements double up as cat vitamins for older cats, providing mobility support and pain relief in one easy dose.

For targeted support, check out the cat hip & joint care section, where you’ll find a full range of mobility-enhancing products.

Skin & Coat Supplements for Shine and Shedding Control

If your pet’s fur is dull, flaky, or shedding excessively, it may be lacking essential fatty acids. Try cat fur vitamins such as NaturVet Omega-Gold Plus or Life Extension Omega-3 Pet. These options improve skin hydration and promote a shiny coat, while helping with allergies and irritation. They also act as vitamins for cats’ skin and hair, supporting healthy follicles from the inside out.

Browse more in the cat itch remedies and cat grooming supplies sections for topical care.

Stress & Anxiety Relief Supplements

Support emotional health with calming solutions. Brands like Zesty Paws calming bites and Tomlyn relax & calm chews are designed to ease travel anxiety, loud noise fear, or separation stress. These feline vitamins include soothing ingredients like L-theanine and chamomile. You’ll also find related options under cat relaxants, ideal for nervous or hyperactive cats.

Immune Support Supplements

Protect your cat against infections and seasonal illnesses with targeted feline multivitamin formulas. Life Extension cat mix is packed with antioxidants, vitamins, and amino acids that boost immune function and overall vitality. These supplements are essential for both indoor cats and adventurous outdoor ones. Pair with selections from the cat health supplies for a full wellness routine.

Digestive Support Supplements

If your cat suffers from bloating, hairballs, or constipation, they may benefit from digestive aid supplements. Zesty Paws probiotic bites and NaturVet digestive enzymes help regulate gut health and nutrient absorption. These also work as cat vitamin powder options that are easy to mix into food, ideal for picky eaters or cats with dietary sensitivities.

For more, see the cat dental care section, since oral hygiene often affects digestion too.

Frequently Asked Questions About Cat Supplements & Vitamins

  • Where can I buy Cat Supplements & Vitamins online in Guernsey?

    You can buy top-quality cat vitamins and supplements on Ubuy Guernsey, featuring trusted global brands with fast delivery.

  • Do cats really need vitamins or supplements?

    Yes, especially if they’re on a restricted or homemade diet, recovering from illness, or entering senior years. Supplements provide targeted support.

  • What vitamins are good for kittens?

    Kitten vitamins should include taurine, DHA, calcium, and immune-boosting ingredients. Choose age-specific options for safe dosing.

  • Which vitamins help improve my cat’s coat and fur health?

    Look for formulas rich in omega-3, vitamin E, and biotin; these support hydration, reduce itching, and add shine.

  • What’s the difference between cat vitamins and cat supplements?

    Cat vitamins generally provide daily essential nutrients, while cat supplements target specific needs like joint care or digestion.