Zylkene Calming Supplement for Dogs and Cats (Pk of 20)

Zylkene Calming Supplement for Dogs and Cats (Pk of 20)

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Is your pet stressed being left home alone? Does your pet get stressed when travelling or visiting the vet? Do fireworks stress your pet? Or maybe you have moved house or you have a new baby on the way...! At some point in their lives, most pets will suffer from stress, whether that is inside or outside the home environment.

Zylkene calming supplements are an ideal choice to help support your cat or dog during these stressful situations. They contain a natural milk protein that is clinically proven to have calming effects. Zylkene calming supplements are suitable for short term or for longer term use.


  • UK's No. 1 Veterinary Calming Supplement*, widely used and trusted by vets
  • Suitable for stressful situations inside and outside the home
  • Zylkene contains a natural milk protein - with clinically proven calming effects
  • Easy to administer - simply split the capsule and sprinkle the powder onto your pet's food.
  • Intended for short and long term use (1-2 days before and during the event or up to a month then review progress).
  • Perfect for helping pets cope when faced with separation anxiety, before occasions such as fireworks or a change in their normal environment

*Kynetec market data, MAT May 2021

For oral administration only.


Short term use: begin use 1-2 days before the predicted stressful event or change in environment.

Longer term use: use for 1 month then reassess their behaviour, continue if needed.

The recommended daily amount should be given at one time
The capsule can be opened, and the powder can be mixed with food.

For cats and small dogs:

Up to 5kg body weight = 1 x 75 mg Capsule

5-10kg body weight = 2 x 75 mg Capsules

For medium dogs:

10-15kg body weight = 1 x 225 mg Capsule

15-30kg body weight = 2 x 225 mg Capsules

For large dogs:

15-30kg body weight = 1 x 450 mg Capsule

30-60kg body weight = 2 x 450 mg Capsules

Store in a cool, dry place.

Zylkene Calming Supplement for Cats and Dogs Up to 10kg – 75mg:

Powder 77.3%: Maltodextrin, Casein (Trypsin hydrolysed bovine casein), Magnesium stearate.
Capsule 22.7%: Bovine skin gelatine

Zylkene Calming Supplement for Dogs 10-30kg – 225mg:

Powder 76.9%: Casein (Trypsin hydrolysed bovine casein), Maltodextrin, Magnesium stearate.
Capsule 23.1%: Bovine skin gelatine

Zylkene Calming Supplement for Dogs 30-60kg – 450mg:

Powder: 82.9%: Casein (Trypsin hydrolysed bovine casein), Magnesium stearate.
Capsule 17.1%: Bovine skin gelatine.


Zylkene is a complementary feeding stuff for dogs and cats and not a veterinary medicine. 
Keep out of sight and reach of children.

From Vetoquinol UK


Article number: 30406795
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FirstVet provides on-demand, expert advice from licensed vets and a selection of vet-recommended products all in one place. All products in our assortment are carefully selected and continuously reviewed by our vets. We offer fast home delivery and free shipping on orders over £49. If you have any questions, please contact our fantastic customer support team and we will be happy to help you.