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Cat Immune & Allergy Supplements

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Cetirizine HCI Tablets 10mg

Easter Sale at HardyPaw.com

Cetirizine Hydrochloride 10mg (Manufacturer may vary) 100 Tablets

Varies (Generic)

(4)

$9.00

CORE IMMUNE CARE Daily Antioxidant and Nutritional Supplement for Dogs and Cats (3.7 oz)

CORE IMMUNE CARE Daily Antioxidant and Nutritional Supplement for Dogs and Cats (3.7 oz)

Easter Sale at HardyPaw.com

CORE IMMUNE CARE Daily Antioxidant and Nutritional Supplement for Dogs and Cats (3.7 oz)

$75.00

Enisyl-F Lysine Bites for Cats (6.35 oz)

Enisyl-F Lysine Bites for Cats (6.35 oz)

Easter Sale at HardyPaw.com

Enisyl F Lysine Bites for Cats (6.35 oz)

$45.00

Enisyl-F Paste for Cats (100 mL)

Enisyl-F Paste for Cats (100 mL)

Easter Sale at HardyPaw.com

Enisyl-F Paste for Cats (100 mL)

(1)

$64.00

HomeoPet Cough Relief For Pets (15 ml)

HomeoPet Cough Relief For Pets (15 ml)

Easter Sale at HardyPaw.com

HomeoPet Cough Relief For Pets (15 ml)

$26.00

HomeoPet Feline Nose Relief For Cats (15 ml)

HomeoPet Feline Nose Relief For Cats (15 ml)

HomeoPet Feline Nose Relief For Cats (15 ml)

$26.00

HomeoPet Nose Relief For Cats (15 ml)

HomeoPet Nose Relief For Cats (15 ml)

Easter Sale at HardyPaw.com

HomeoPet Nose Relief For Dogs (15 ml)

$26.00

HomeoPet Skin & Itch Relief For Cats & Dogs (15 ml)

HomeoPet Skin & Itch Relief For Cats & Dogs (15 ml)

Easter Sale at HardyPaw.com

HomeoPet Skin & Itch Relief For Cats & Dogs (15 ml)

$26.00

Immune sure provides natural immune system support for cats

This herbal immune booster for cats is made with echinacea and elderberry

Easter Sale at HardyPaw.com

Immune SURE -for Feline Immune System Support

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$57.00

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Itch support gold for cats is a natural allergy supplement for cats

Pet Wellbeing itch support gold comes in a 4 oz bottle

Easter Sale at HardyPaw.com

Itch Support Gold - For Allergy-Related Itch in Cats

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$54.00

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Mushroom Immune Gold - Holistic Cancer Support for Cats (8 oz)

Mushroom Immune Gold - Holistic Cancer Support for Cats (8 oz)

Easter Sale at HardyPaw.com

Mushroom Immune Gold - Holistic Cancer Support for Cats (8 oz)

$99.00

NaturVet L-Lysine Immune Support + Antioxidants Soft Chews for Cats, 60 count

NaturVet L-Lysine Immune Support + Antioxidants Soft Chews for Cats

Easter Sale at HardyPaw.com

NaturVet L-Lysine Immune Support + Antioxidants Soft Chews for Cats, 60 count

$19.00

NaturVet Mushroom Max Advanced Immune Support Soft Chews for Dogs & Cats, 60 count

NaturVet Mushroom Max Advanced Immune Support Soft Chews

Easter Sale at HardyPaw.com

NaturVet Mushroom Max Advanced Immune Support Soft Chews for Dogs & Cats, 60 count

$38.00

Pet Wellbeing Nettle Eyebright Gold, a natural cat supplement for seasonal allergies

Nettle eyebright gold contains olive leaf for cats, providing antimicrobial activity

Easter Sale at HardyPaw.com

Nettle-Eyebright Gold - Seasonal Allergy Defense for Cats

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$60.00

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NOW Pets L-Lysine for Cats 8 oz. Powder

NOW Pets L-Lysine for Cats 8 oz. Powder - 0

Easter Sale at HardyPaw.com

NOW Pets L-Lysine for Cats 8 oz. Powder

$23.00

NOW Pets Pet Allergy 75 Chewable Tablets

NOW Pets Pet Allergy 75 Chewable Tablets - 0

Easter Sale at HardyPaw.com

NOW Pets Pet Allergy 75 Chewable Tablets

$48.00

Imuquin Cat

Imuquin for Cats

Easter Sale at HardyPaw.com

Nutramax Imuquin Immune Health Supplement Powder for Cats, With Beta Glucans, Marine Lipids, Vitamins and Minerals, 30 Packets

(1)

$29.00

Optixcare L-Lysine Paste for Cats, 142-ml tube

Easter Sale at HardyPaw.com

Optixcare L-Lysine Paste for Cats, 142-ml tube

$26.00

Optixcare L-Lysine Powder for Cats, 100-g

Easter Sale at HardyPaw.com

Optixcare L-Lysine Powder for Cats, 100-g

$26.00

Pet Naturals L-Lysine Chews for Cats (60 count)

Pet Naturals L-Lysine Chews for Cats (60 count)

Easter Sale at HardyPaw.com

Pet Naturals L-Lysine Chews for Cats (60 count)

$17.00

Detox gold is one of the many cat supplements for immune system.

Detox gold eliminates waste from all your pet's bodily systems

Easter Sale at HardyPaw.com

Pet Wellbeing Detox Gold for Cats

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$58.00

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Life Gold is made with natural ingredients for holistic cat cancer care

Life gold for cats comes in a 4 oz bottle

Easter Sale at HardyPaw.com

Pet Wellbeing Life Gold for Cats

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$58.00

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Lung gold for cats in a 2 oz bottle

Lung Gold helps maintain healthy immunity in the lungs

Easter Sale at HardyPaw.com

Pet Wellbeing Lung Gold for Cats

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$68.00

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Respir Gold for cat breathing issues is made with natural ingredients

Cat breathing supplement in a 4 oz bottle

Easter Sale at HardyPaw.com

Pet Wellbeing Respir-Gold for Easy Breathing in Cats

From

$57.00

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HardyPaw is an NABP-authenticated pet pharmacy and store, bridging pet parents with veterinary-approved medications and wellness products. We ensure access to FDA-approved prescriptions, flea and tick treatments, heartworm preventatives, and specialty pet care—eliminating risks from counterfeit products. Shop our pet pharmacy products with confidence, knowing your pet’s health is backed by licensed pharmacists and trusted manufacturers.