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Zylkene is the UK’s no.1 veterinary* calming supplement for dogs, now available in a handy soft chew format to help them cope with challenging situations easily when on the go including travelling, holidays, days out or pet boarding.#
KEY BENEFITS:
Why Choose Zylkene Calming Chews?
Most dogs are likely to suffer from worry or stress at some point in their lives, especially when something disrupts their daily routine. This could be from fireworks / loud noises, being home alone (separation anxiety), travelling, vet visits or being in a new place such as a kennel, boarding facilities or new homes. Zylkene Calming chews are an ideal choice to help support your dog during these challenging situations, especially when you are on the go. Zylkene Chews are a convenient, easy to give tasty soft chew, which you can give as a treat. Zylkene contains a natural milk protein, casein, that is clinically proven to have calming effects whilst having no addictive properties or drowsiness.
INSTRUCTIONS
Complementary feed for oral administration only. The recommended daily amount should be given in one intake.
ADMINISTRATION GUIDE
Short term use: Start using 1-2 days before the predicted event or change in environment. Some animals may need administration further in advance of the change (5-7 days). The daily amount can be increased in consultation with your veterinary surgeon or healthcare professional. Clean, fresh water should be available at all times.
Longer term use: use for 1 month then reassess their behaviour, continue if needed.
For small dogs up to 10kg use Zylkene Calming Chews for Small Dogs Up to 10kg:
<5kg body weight = 1 / day
5 - 10kg body weight = 2 / day
For medium dogs between 10 to 30kg use Zylkene Calming Chews for Medium Dogs 10kg-30kg:
10 - 15 kg = 1 / day
15 - 30 kg = 2 / day
For large dogs over 15kg use Zylkene Calming Chews for Large Dogs 15kg-60kg:
15 - 30kg = 1 / day
30 - 60kg = 2 / day
STORAGE CONDITIONS:
After each use, ensure the pouch is tightly sealed. Store in a dry place at room temperature and below 25°C. Keep out of sight and reach of children. Once opened, use within 28 days. For animal use only.
INGREDIENTS
Zylkene Calming Supplement for Small Dogs Up to 10kg: Maize pregelatinized starch, glycerin, yeast extracts, cellulose powder, casein 5% (trypsin hydrolysed bovine casein), acetic acid esters of monoglycerides and diglycerides of fatty acids made from soybean oil, soybean oil, oat flour.
Zylkene Calming Supplement for Medium Dogs 10-30kg: Maize pregelatinized starch, glycerin, yeast extracts, cellulose powder, casein 10% (trypsin hydrolysed bovine casein), acetic acid esters of monoglycerides and diglycerides of fatty acids made from soybean oil, soybean oil.
Zylkene Calming Supplement for Large Dogs 30-60kg: Maize pregelatinized starch, glycerin, yeast extracts, cellulose powder, casein 10% (trypsin hydrolysed bovine casein), acetic acid esters of monoglycerides and diglycerides of fatty acids made from soybean oil, soybean oil.
IMPORTANT INFORMATION
Zylkene is a complementary feeding stuff for dogs and not a veterinary medicine.
Keep out of sight and reach of children.

All prices include VAT where applicable.
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Only verified purchasers of this product can leave a review.
Sorry but these chews didn't work at all on my dog.
Customer does not recommend this product
I was skeptical after research showed only 50% of dogs were helped by zylkene, but it has been effective for one of my dogs, so 50% effective seems correct! My dog has been less stressed and growly when he's tired and when my other dog growls at him.
Customer recommends this product
Below are some recent questions we've received regarding Zylkene Calming Chews for Dogs, including answers from our team.
Kaye Smith
Can I ask would these be okay for a dog who has a milk allergy
Hi there,
As Zylkene® is a milk-derived nutritional supplement, we would not recommend feeding it to a dog with a milk allergy.
VioVet.
Karen
Does this contain chicken or beef?
Hello,
Thank you for your question.
Zylkene does not have any chicken or beef in it, it is an ingredient derived from a milk protein.
Hope that helps,
VioVet.
Emma
There are 3 different sizes of chew 75g, 225g and 450g. Is there a recommendation for dog weights to go alongside each chew size?
Hello,
Thank you for your question.
These are for under 10kg, 10-30kg and 15-60kg.
Hope that helps,
VioVet.