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Zylkene Calming Chews for Large Dogs 15 to 60kg - 14 chews By Zylkene

30Reviews
RRP £29.89
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Zylkene Large is a calming supplement for large dogs (30–60kg), designed to help them cope with a variety of short-term challenging situations such as travelling, boarding, or being on the go. These tasty chews offer a convenient and palatable support option for dogs who may experience worry or stress when their routine is disrupted. Zylkene Calming Chews contain a natural milk protein that has clinically proven calming effects, without causing drowsiness or unwanted side effects. Ideal for large dogs who need reassurance during stressful events.
  • UK's No.1 calming supplement* in a convenient tasty chew format.
  • Perfect for on the go, travelling or boarding.
  • Helps support your dog during short-term challenging situations such as loud noises, vet visits, travel, or new environments.
  • Contains a natural milk protein with clinically proven calming effects.
  • Easy to give chews with 100% palatability — great for fussy eaters.
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.
Complementary feed for oral administration only. The recommended daily amount should be given in one intake.

Short-term use: Begin 1–2 days before the predicted event or change in environment. Some animals may need administration earlier (5–7 days). Fresh drinking water should be available at all times.

For large dogs (30–60kg):
• 15–30kg = 1 chew per day
• 30–60kg = 2 chews per day
After each use, ensure the pouch is tightly sealed. Store in a dry place at room temperature below 25°C. Keep out of sight and reach of children. Once opened, use within 28 days. For animal use only.

Ratings & Reviews

30 reviews

11/7/2025 7:51:00 PM

Highly satisfied

by Tina Miller -

Excellent for promoting relaxation in a big active dog during periods of change in the household

15/9/2025 6:00:00 AM

Must have for travel

by Rose Evans -

Use these every time we take a long car journey and he is much more relaxed in the car now

12/6/2025 6:19:00 PM

Easy to administer

by Simon Hall -

No fuss giving these chews as he thinks they are a treat The calming effect is noticeable but not extreme

9/8/2025 7:58:00 PM

Vet recommended

by Quinn Taylor -

My vet suggested these chews and I'm glad she did They are a great natural way to promote calm

7/9/2025 1:51:00 PM

Didn't do much

by Paul Sanders -

I followed the instructions precisely but saw very little change in my dog's anxious behavior It was disappointing

31/7/2025 10:10:00 PM

Fantastic support

by Olive Perry -

This has been an excellent non sedative way to manage my large dog's noise phobia during fireworks

9/7/2025 6:07:00 AM

Less pacing

by Nathan Jones -

My old dog used to pace a lot at night but these chews have helped him settle down and sleep better

30/9/2025 10:56:00 AM

Helped immediately

by Molly Fisher -

Noticed a difference within the first few days especially with his reactivity towards other dogs on walks

28/7/2025 3:50:00 PM

Calming effect is real

by Katrina Adams -

Used these for my anxious German Shepherd and he's visibly more relaxed during high stress events

18/5/2025 6:33:00 AM

Great for big breeds

by Leo Bennett -

The dosage is perfect for my large dog and they are easy to mix into his kibble He seems much happier

26/8/2025 10:14:00 AM

Effective for noise

by Ryan Cox -

When there is construction noise outside these are invaluable to keep my dog relaxed indoors

9/9/2025 2:17:00 PM

Great for training

by Hannah Baker -

Helps keep him focused during training sessions by reducing his general background worry

11/5/2025 3:50:00 PM

Quick delivery

by Liam Foster -

Product arrived fast and is exactly what I needed for my anxious Labrador She takes them without fuss

20/8/2025 6:12:00 AM

Happy with the product

by Eleanor Carter -

My dog is happier and less jumpy around new people thanks to these chews I mix it with his dinner

19/5/2025 6:30:00 PM

Mild help

by Samuel Reed -

Did not see a huge difference with my dog's chronic anxiety but it might be just him Still worth a try

5/6/2025 9:47:00 AM

Good value pack

by Victoria Adams -

Good amount of chews for the price and the calming effect is consistent Very happy with this purchase

18/5/2025 1:11:00 PM

Works well

by James Morris -

Easy to give he thinks they are a treat and they certainly seem to reduce his stress barking

1/9/2025 8:18:00 PM

Highly recommend

by Sofia Turner -

Great for my slightly neurotic springer spaniel He is more relaxed and still his usual happy self

3/9/2025 6:41:00 AM

Noticeably calmer

by Ethan Cooper -

I use these daily and my golden retriever seems much less reactive and anxious on walks

8/7/2025 9:00:00 AM

Fantastic results

by Chloe Scott -

These medium dog chews are a lifesaver for my collie during firework season Really takes the edge off

16/5/2025 9:12:00 AM

Helps with travel

by George Baker -

Gave one before a long journey and he settled down much quicker than usual Will keep using these

14/8/2025 6:53:00 PM

Calm pup

by Andrew Hall -

My little terrier is much calmer during busy times in the house She actually enjoys the taste too

14/6/2025 3:31:00 PM

Excellent product

by Olivia King -

Recommended by my vet and it has made a noticeable difference in his fear of loud noises

8/8/2025 7:58:00 PM

Worth the money

by Nancy Perez -

Helped my rescue dog adjust to our home environment I'm very pleased with the results

11/8/2025 12:40:00 PM

Subtle effect

by Thomas Walker -

They seem to help a little bit but it's not a dramatic change Perhaps a higher dosage is needed for her specific issue