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Zylkene Capsules Retail Pack

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Zylkene Capsules Retail Pack are a great natural product that helps to control stress in cats and dogs, or help your pet deal with changing situations.

Zylkène is a natural product, derived from casein, the protein in milk. Since its launch in April 2008, Zylkène has been used in many common situations which our pets find difficult. Vets, behaviourists, nurses and pet owners have all found Zylkène to be a valuable support for helping pets cope with difficult situations.

Zylkene can help in the following situations:

  • Changes in environment
  • Being left alone
  • New person, baby or pet being introduced
  • Travelling
  • Kennel or cattery visits
  • Fireworks
  • Loud noises and thunderstorms
  • Vet visits
  • Celebrations
  • Moving house
  • Lactation
  • Weaning

Zylkène offers a cost effective and easy to give solution for stress in your cat and dog. It should be given once, daily and is hypoallergenic, preservative free and free from lactose. Zylkène has not been associated with any side effects, including sedation or memory loss and is suitable for many pets

Zylkène is manufactured to human pharmaceutical standards (GMP) and is available in three sizes - the different sized capsules are also colour coded.


Zylkene 75mg - Cats & Small Dogs up to 5kg - 1 Capsule per day.

Zylkene 75mg - Cats & Small Dogs 5-10kg - 2 Capsules per day.

Zylkene 225mg - Medium Dogs 10-15kg - 1 Capsule per day.

Zylkene 225mg - Medium Dogs 15-30kg - 2 Capsules per day.

Zylkene 450mg - Large Dogs 15-30kg - 1 Capsules per day.

Zylkene 450mg - Large Dogs 30-60kg - 2 Capsules per day.

Short Term Use: use for 1-2 days before the predicted event or change in environment. Some animals may need earlier administration (5-7 days).

Longer Term Use: 1-2 months

Common signs of stress include:

  • Changed demeanour e.g. altered posture, large pupils, tense muscles
  • Altered sleeping/resting patterns
  • Changed use of environment e.g. stops entering garden
  • Habits, such as excessive licking
  • Excessive vocalisation
  • Changed resting places
  • Reduced play time
  • Increased or decreased attachment to people or other pets
  • Increased or decreased social interaction
  • House soiling

* We don't sell food to non-UK addresses
** Includes N.Ireland, Scottish Highlands, UK Offshore Islands, Isle of Man, Scilly Isles


UK, Channel Islands, N Ireland, Highlands and Islands - Standard delivery arrives 2-3 days after dispatch or for heavy parcels Courier next day after dispatch Mon-Thu.
Europe - We no longer send orders to European or International destinations.


Express delivery arrives 1-2 days after dispatch or for heavy parcels Courier 1-2 days after dispatch Mon-Thu.


Light parcels, delivered Tue-Fri, signature required or for heavy parcels Courier next day Mon-Thu delivery after dispatch.


We understand that you may want, at times, to return an item you’ve purchased from us. To make this process quick and convenient for you, please read the policy below.


We regret that we cannot, by law, accept returns of any medication. If you return a medicine to us all we can do is dispose of it correctly for you as it cannot be resold.

Of course, if we have made a mistake or the product is faulty or damaged, we will accept returns as long as you contact us within 10 days of receiving the order and received the product back within 30 days. Once we have received the returned item  we will refund the amount paid or resend the product.


If for whatever reason you are not satisfied with any other item you have purchased from us, you may return it if you notify us within 10 days of receiving the order and we receive the product back within 30 days. Once we have received the returned item we will refund the amount paid or resend the product.


All returned products must be in their original packaging, unopened and in a re-saleable condition. We only accept returns for products that have been purchased through us.

Any return which does not meet the conditions set above will not be refunded or replaced.

Customer errors: Customers are humans and make mistakes. Sometimes customers put the wrong address in on their order. We are happy to re-ship the item when it is returned to us by Royal Mail. This may take upto 28 days depending on the error made.

Non-Delivery: If an item remains undelivered within 7 working days (exc Sat-Sun) from dispatch then the customer needs to check with their local delivery office/post office for uncollected items.

For further information on returns or to request a refund/return, please contact us.

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