Best Immustim Katze 2026

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Last Updated - 22.07.2026

Best Choice

01

RECOACTIV

Recoactiv® Recovery Immune for Cats 3 x 90 ml - High Calorie Diet Complete Food, in Reconvalescence and after surgery, for Weight Gain and for Refusing of Food

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9.6

Exceptional

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Tolerability: The high bioavailability due to the liquid dosage form makes the Recovery Immune a popular diet food for cats. It is easy to digest and optimally absorbed.
Quality of life: It can often happen that cats eat poorly due to discomfort or illness, so we have developed products that allow your pet to live pain-free as much as possible and improve their quality of life.
Intake: hanks to the outstanding acceptance and the liquid dosage form, the diet food for weak cats can be easily and comfortably administered, even to animals with pain in the mouth and throat area.
Ingredients: Pure natural ingredients of high food quality, such as manganese, zinc and vitamins B, D and E, to support the optimal care of weakened cats. The high energy density of 2 kcal/ml provides the animal with much-needed energy, even at low quantities.
Field of application: Recoactive Recovery Immune has been specially developed for cats who have to restore strength through a period of weakness or acute diet crisis. Suitable as a complete feed in acute phases or in combination with the usual food. For weight loss and nutritional production.

34,58 €
02

Almapharm

almapharm ImmuStim K 72 Tablets Supplementary Feed for Cats Vital Substances for the Immune System to Support the Immune System Contains Beta Glucans

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9.5

Excellent

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Supplement feed – almapharm ImmuStim K is specific nutrients and active ingredients for cats to compensate for temporary and/or permanently increased needs
Note: Before using or extending the feeding time of the almapharm ImmuStim K tablets, you should consult your veterinarian
For stress phases – the supplementary feed can be used during periods of stress, in non-mature immune system or age-related decreasing activity of the immune system
Easy digestibility – the product has a high energy content, a high concentration of important nutrients and easy digestibility of the raw materials
Beta-glucans: almapharm ImmuStim K contained beta-glucans from yeast cells are known to stimulate the non-specific immune system

32,99 €
Value for Money

03

RECOACTIV

Recoactiv Recovery Immune Cat - High Caloric, Very Tasty, for Fast Weight Gain & Malnutrition, Reconvalescence & Food Refusal, Complete Diet Feed 280 ml

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9.2

Excellent

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Main highlights

Quality of life: cats eat poorly and suffer from underweight due to discomfort or illness is common. RECOACTIV develops nutritional recovery products that support your pet in nutritional crises and weakness phases and enable a symptom-free life.
Intake: thanks to the liquid dosage form, the full-fledged feed for weakened cats can be easily and comfortably administered, even in animals with discomfort in the mouth and throat.
Ingredients: the formula contains important ingredients that cover the need for necessary nutrients and provide the animal with full nutrition, especially in phases of malnutrition. All RECOACTIV products contain important vitamins and trace elements and are made from natural food grade ingredients. They are free from grains, sugar, colourants and preservatives.
Areas of use: RECOACTIV Recovery Immune has been specially developed for cats who need to regain strength due to a weakness period or acute nutritional crisis. It is suitable as a complete feed in acute phases as well as for feeding with the usual food.
Acceptance: due to the high palatability and compatibility, the cats like to absorb the product and make it a popular feed.

28,74 €
04

animaux

animaux® – nutrients for cats | All-Natural Cat Vitamins to Support the Immune System and Cell Protection | Zinc, Manganese, Selenium | Skin and Coat | 120 Chewable Tablets

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9.1

Excellent

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Tasty and easy to administer - 120 delicious chewable tablets that are easy to dispense and will be accepted by cats.
Supports the immune system - Essential vitamins such as A, D, E and K as well as antioxidants help to naturally strengthen your cat's defenses.
Supports metabolism and nerves - The vitamin B complex contributes to a healthy metabolism and supports the function of nerves and muscles.
Promotes healthy skin & shiny coat - With zinc and omega-3 fatty acids, the formula supports skin regeneration and ensures a shiny coat.
Natural vital substances - A balanced combination of important vitamins, minerals and trace elements optimally complements your cat's daily diet.

22,90 €
05

Eagou Diary

Lysine Cat - L-Lysine Drops for Cats and Kittens, Kittens Immune System, Runny Nose, Relief of Allergies, Sneezing, Dietary Supplements with Vitamins and Minerals, Colostrum, Taurine

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9.0

Excellent

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Tenderly Care for Cats Our drops are made from natural ingredients and are free from chemicals, artificial flavors or preservatives. They are a safe daily cat supplement with L-Lysine
SUPPORT IN NUTRIENT ABSORPTION Compared to powders, tablets and capsules, the liquid form of cats L-lysine drops can help with a more thorough absorption. With a very simple daily supplement routine, you can either feed the drops directly or with food, milk or water
SUITABLE FOR KITTEN AND CATS Our L lysine for cats are better matched to the health needs of kittens and cats of all ages. They have a roast chicken flavor and are enriched with additional nutrients such as colostrum, vitamins and minerals
NATURAL PREMIUM INGREDIENTS This liquid lysine for cats contains a variety of carefully selected active ingredients including L-lysine, L-taurine, tragant, codonopsis and burdock, and is gentle and does not cause irritation
L-Lysine Supplement for Cats: our cat lysine drops with an advanced formula are specially designed to provide your cat with comprehensive health and support the cat runny nose, immune system, allergies, sneezing, respiratory tract and eye health

20,89 €
06

ReaVET

Test Assessment Very Good 2026 ReaVET 4-in-1 Complete for Cats – Daily Supplement for Vitality, Fur & Digestion with Taurine, Vitamins Cats, Activates Defences, Strengthens Immune System, Gastrointestine, 60 g

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8.9

Very Good

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With 200 mg of taurine per daily dose - Taurine is an essential amino acid for cats for daily nutritional supplement. Taurine is well tolerated with recommended feeding
Test assessment very good 03/26 - The 4-in-1 nutrient complex complements the daily diet and provides important nutrients for coat, digestion, vitality and immune system
Made in Germany - Developed with great care and controlled by independent, accredited institutes to ensure consistently high quality
Economical and easy - The fine powder can be easily mixed with daily food. Only 1g per day - one can lasts up to 60 days depending on application
4 functional key ingredients - With taurine, salmon powder, prebiotic inulin from Jerusalem artichoke and açai. The selected combination provides valuable nutrients and complements a balanced cat feeding

17,99 €
07

animigo

Animigo L-Lysine for Cats - 250 g Powder - Rich in the Amino Acid L-lysine (Hydrochloride) - Includes Measuring Spoon - Free from Gluten & Lactose - For All Ages - Natural Immunity for Cats

11% Off

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8.8

Very Good

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Main highlights

Suitable for all cats - L-lysine cat powder is a supplementary feed for daily feeding. Whether for kittens, adult cats or seniors, it can be easily integrated into any routine. The powder contains no additional flavourings and comes with a measuring spoon.
How to administer this to cats - Add 0.5 g of lysine cat powder daily with food or into the water. Divide daily portions into meals. Do not exceed the recommended daily dose in a period of 12 hours. Make sure your pet always has access to fresh drinking water.
Free from gluten and lactose - L Lysine cat is free from additives, gluten and lactose. Lysine for cats comes with a tag in English. The label can be removed on the side, there is all important information in German.
Animigo - A British family owned company known for its production of pet supplements and accessories.
250 g L lysine with measuring spoon - L-lysine is an essential amino acid that cannot be produced independently by the body and therefore must be supplied via the daily diet or through dietary supplements. This product contains 250g of L-lysine in the form of L-lysine hydrochloride. A measuring spoon is included with the animigo lysine powder and allows easy dosage.

15,99 € 17,99 €(11% Off off)
08

Alfavet

Alfavet Feligum L-Lysine

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8.6

Very Good

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Main highlights

Relieving: L-lysine doses can support the recovery process in feline runny nose and can help suppress the multiplication of this disease
Reconstructive: L-lysine supports the immune system, especially antiviral activity. The important amino acid is not produced by the body itself, so a feed supplement is recommended
Quality: Alfavet products are developed in collaboration with veterinarians and produced exclusively in Europe
High dose: contains 500 mg L-lysine per chewing drop. The tasty, soft chew snack can be easily dosed. Also suitable for kittens and seniors. L-lysine does not replace vaccination

18,52 €
09

Zanipro

Zanipro Immune Booster for Dogs & Cats - Immune System Strengthening Dog & Cat - Immune Treatment for Digestion & Detoxification - Skin & Coat Care - Natural Immune Booster Developed by Veterinarian |

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8.5

Good

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Zanipro immune booster for dogs and cats naturally strengthens the immune system. Supports the body's defence, reduces susceptibility to disease and promotes daily well-being. Ideal for all breeds and ages.
ZENIFO - YOUR HEAVY DUTY FOOD FOR DOGS & CATS: Made in the UK with high quality, natural ingredients. Our immune treatment strengthens the immune system, supports skin, coat and digestion - for an active, healthy and protected life of your pet.
Skin & skin care + anti-scratch: nourishes the skin, ensures shiny coat and helps with itchy skin or allergies. Supports dogs with skin problems or cats with sensitive skin. Natural relief from irritation and dryness.
Natural in no time with effective herbs: formulated with astragalus root, burdock root, elm bark and ginger. These herbs strengthen the immune system of dogs and cats, support digestion, promote detoxification and increase vitality - a natural immune booster for cats and dogs.
Easy to use: liquid drops can be easily mixed into the food or administered directly - without stress. Recommended dosage: 2 drops per kg body weight daily. Fast absorption, visible results and better effect than traditional immune booster chewable tablets.

12,99 €
10

Serumwerk Bernburg AG

Lysimun Supplementary Food for Cats 30 ml

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8.3

Good

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PZN-10983222
Over the counter
30 ml solution

16,20 €