Zylkene Anxiety & Behaviour Capsules

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“Post original prescription to: PO Box 999, Tweed Heads, NSW 2485”

$31.95 - $66.95

Zylkene Capsules are a complementary feed designed to help cats and dogs manage stressful situations. Zylkene contains a natural product derived from casein, a protein in milk, that is well known to promote the relaxation of newborns after breastfeeding. Zylkene is palatable and easy to give: simply mix with food or give the whole capsule. It can be given daily and is both preservative and lactose free.

  • Zylkene Capsules contain a palatable, water soluble powder that appeals to both dogs and cats
  • Zylkene Capsules can be given whole or can be opened and the powder mixed with food, treat or liquids
  • Water should be available at all times
  • As Zylkene is taken orally, it is present wherever the pet goes, both inside and outside the house

Since its launch Zylkene has become a familiar product for veterinarians, behaviourists, nurses and pet owners world wide. It helps pets cope when facing unusual and unpredictable situations and can be used before occasions such as a change in their normal environment.

When to use Zylkene

Zylkene can help support dogs and cats in situations where they find they need to adapt their behaviour to cope. These can include kennel and cattery stays, moving house, the arrival of a new pet or baby, sudden noises such as fireworks, travel or festivities. Many cats do not cope well in a multi-cat household, so Zylkene can help with the introduction of a new cat.


Zylkene is easy to give in one daily intake. The capsules contain a palatable, water soluble powder that appeals to both dogs and cats. They can be given whole or opened and the powder mixed with food, treats or liquids. Since Zylkene is taken orally and ingested, it is present wherever the pet goes, both inside and outside the house. Water should always be available to your pet.

Zylkene comes in three strengths:

  • Zylkene Capsules 75mg (30 capsules)
  • Zylkene Capsules 225mg (30 capsules)
  • Zylkene Capsules 450mg (30 capsules)

Dosage Guide

For short term use: Begin administration 1-2 days before the predicted event or change in environment. Some animals may need earlier administration (5-7 days).

For long term use: Start giving Zylkene for one month then reassess the pet. Association with a behaviour modification program may help in these situations.

Capsule Strength Weight Daily Dose
Zylkene 75mg 0-5kg 1 capsule
Zylkene 75mg 5-10kg 2 capsules
Zylkene 225mg 10-15kg 1 capsule
Zylkene 225mg 15-30kg 2 capsules
Zylkene 450mg 15-30kg 1 capsule
Zylkene 450mg 30-60kg 2 capsules

Safety Information

  • It is recommended that you consult your vet before administering Zylkene
  • Can be used short term or for longer periods of time (after consideration of other potential causes)
  • Can be given to nursing queens or bitches, as well as to kittens and puppies
  • Not designed to replace a veterinary behavioural consultation
  • Not suitable for severe anxiety or behavioural problems
Anxiety & Stress

128 Reviews Hide Reviews Show Reviews

  • 4

    Anxiety in my dog

    Posted by Ruth Bowden on 9th Dec 2021

    i started my dog on Zylkene 3 days ago & have noticed a big improvement in her behaviour. My only concern is the cost of the product as i am on the aged pension & it has to be purchased monthly.

  • 5

    Amazing Product

    Posted by Freya on 30th Nov 2021

    We started our cat in these when we brought a new puppy home and she has been amazing since. She suffered from a bladder infection within a week of our new puppy coming home and once home we were recommended she go on this to assist her with her anxiety and stress. Without a doubt it has most definitely assisted her in keeping her calm and less
    Stressed. She hasn’t needed to go back to the vet since and pup has now been with us for four months. She never came near him but is happy to sleep on the same bed as him. Highly recommend

  • 4


    Posted by Sue Harding on 26th Nov 2021

    It does seem to work to some extent, but after a couple of days I decided to divide the daily dose into quarters and administer at approx 4-hour intervals, which seems to work better.

  • 5

    Great product

    Posted by Amanda on 26th Nov 2021

    Great product. Works really well to take the edge off my whippet's anxiety. Lets her come out of her shell and be curious rather than scared.

  • 5

    Great product really helped my dog with her anxiety

    Posted by Barry Davis on 25th Nov 2021

    Has helped my dog with anxiety and dog aggression she is such a different dog now

  • 5

    Best calmative for storm season

    Posted by Mardi Walker on 12th Nov 2021

    I use this for our Labrador who is extremely scared of thunder. It calms him down and I know I'm using a natural product based on milk products, not some chemical. I am a very happy return customer for this product. :)

  • 3

    Zylkene - Review on Siamese Cats

    Posted by Maria Blaine on 7th Nov 2021

    Had hoped with all my heart it would stop Male siamese continuously 'spraying' everywhere in the house and ease his pacing to get out of the house. Sadly it hasn't. I'll keep trying but I'm not too hopeful.

  • 5

    Zylkene 75 mg capsules

    Posted by Sandra Bishop on 4th Nov 2021

    We have found these capsules work well for our fur baby’s anxiety.

  • 5

    Excellent product that really works

    Posted by Krista on 4th Nov 2021

    We have 2 very anxious rescue kitties. After a few days of zylkene they are no longer hiding and are very calm. Cheapest price too!