Vetoquinol Zylkene Medium Dogs & Cats 225-mg Capsules, Calming Supplement, 30 Count Supplement Facts

Vetoquinol Zylkene Medium Dogs & Cats 225-mg Capsules, Calming Supplement, 30 Count is a dog calming supplement in capsule form (30 count).

At a glance

30Capsules

Supplement facts

Zylkene contains bovine-sourced hydrolyzed milk protein, an ingredient that has calming properties

Values above are transcribed from the product label exactly as printed. Supplements are not reviewed or approved by the FDA to treat, cure, or prevent disease, and independent testing shows label accuracy varies between brands. Always check with your veterinarian before starting a supplement.

Directions

Capsules can be administered orally as a single dose, whole or opened at meal time. Use as recommended by your veterinarian. Short-term use: Use Zylkene for 1-2 days before a planned event or change in environment. Some animals may need earlier administration (5-7 days). Consult your veterinarian before giving your pet Zylkene. Follow the recommended administration on the package, unless otherwise instructed by your veterinarian. NUTRITIONAL INFORMATION

Ingredients

Zylkene contains bovine-sourced hydrolyzed milk protein, an ingredient that has calming properties

Package sizes

30 Count

Frequently asked questions

What is Vetoquinol Zylkene Medium Dogs & Cats 225-mg Capsules, Calming Supplement, 30 Count for?

Vetoquinol Zylkene Medium Dogs & Cats 225-mg Capsules, Calming Supplement, 30 Count is formulated as a calming supplement for dogs.

How many capsules are in Vetoquinol Zylkene Medium Dogs & Cats 225-mg Capsules, Calming Supplement, 30 Count?

Each package of Vetoquinol Zylkene Medium Dogs & Cats 225-mg Capsules, Calming Supplement, 30 Count contains 30 capsules.

About this data

Data sources: PetSmart, Valleyvet.

Data was compiled manually and may be out of date.

Barcode (GTIN): 0017030040845

Data last updated July 11, 2026.

More from Vetoquinol

About this data

We gather factual supplement details from public manufacturer and retailer listings and product labels. Values are shown exactly as printed on each label. Supplements are not reviewed or approved by the FDA to treat, cure, or prevent disease, and label accuracy varies by brand. Nothing here is veterinary advice, and no product listed here is endorsed. Always check with your veterinarian before starting a supplement. Product names and trademarks belong to their respective owners.

Spotted something wrong? Contact us and we will fix it.