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Quick Overview

Zylkène is a natural dietary supplement that can support various forms of stress in dogs and cats. The active ingredient in Zylkène is alpha-casozepide, this is a peptide that arises after splitting the milk protein casein. It has long been known that milk has a calming effect on young animals. This is caused by the fact that young animals (as opposed to adults) can split the casein into alpha-casozepide. The digestion changes with aging and the amount of formed alpha-casozepide is reduced. Therefore the calming effect of milk is less in adult pets. By adding the alpha-casozepide with a dietary supplement as Zylkène, you can accomplish the same effect. Zylkène can be used to help dogs and cats in stress periods or situations as moving, veterinary visits, separation anxiety and fireworks anxiety. Zylkène can be combined perfectly with behavioural therapy.


Body weight of the dog/cat Optimal dosage
Dog and cat under 10 kg Zylkène 75 mg
Dog 10-30 kg Zylkène 225 mg
Dog 30-60 kg Zylkène 450 mg
Product name Price Qty
Zylkene 75mg 30 capsules
Zylkene 225mg 30 capsules
Zylkene 450mg 30 capsules



Zylkène needs to be given only once a day. The capsules can be given as a whole or you can open the capsule and mix the powder with water or food/snacks (sausage, canned food).

For acute stress one can start 1-2 days in advance and use Zylkène during the stress period. By prolonged stress you can expect result within 1-2 weeks, but for best result it is better to use Zylkène up to 2 months.

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Additional Information

Animal Dog, Cat
Prescription required Netherlands No
Prescription required Germany No
Prescription required France No
Prescription required Spain No
Further information