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KalmAid is a dietary supplement containing L-tryptophan, L-theanine and thiamine (Vitamin B1) which helps ease anxious dogs and cats.
Standard Retail Price £16.80
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  • Reviews (23)


KalmAid is a dietary supplement containing L-tryptophan, L-theanine and thiamine (Vitamin B1) which helps ease anxious dogs and cats.

It is available in packs of 30 tablets, 250ml bottles of oral solution or 50ml bottles of oral cat gel.

Tablet Administration:
Under 5kg a tablet
5 - 10kg 1 tablet
10 - 20kg 1 tablets
20 - 30kg 2 tablets
30kg and over 2 tablets

Liquid Administration:
Up to 10kg - 5ml daily
10 20 kg - 10ml daily
20 30 kg - 15ml daily
Over 30kg - 20ml daily

Gel Administration:
Give 1 pump daily and 2 pumps for a larger cat then apply to the back of your cats pay or add directly into their food

Our VetOur vet says... 'KalmAid comes in tablet, gel or liquid form. Please read the instructions carefully for each product before you administer this to your pet. KalmAid is a reliable treatment for stressed or anxious cats and dogs. It contains L-Tryptophan an amino acid which affects the production of serotonin. Serotonin is proven to calm and relax.'

Delivery Info

Please view our Delivery  and Coronavirus pages for the latest updates.

Light (usually non-food) orders under £29 are charged £2.99 postage. Heavy (typically food) orders under £29 are charged £4.49 postage.

For Light items (under 2kg) our standard method is Royal Mail 2nd Class Tracked (there are a few exceptions, so if in doubt check our Delivery page).

To get it faster you can upgrade Light items to Royal Mail 1st Class Tracked or a Guaranteed Courier service, Saturday Courier or even before 12 noon services where available. There's a small fee, but if you're in a hurry they are worth considering. To ensure you receive your items as quickly as possible, please place your order before 12 Noon Monday to Thursday as there is no standard Saturday courier delivery.

Heavy items weighing 2kg and more are sent via courier. Heavy items ordered after 12 Noon Friday, or anytime Saturday and Sunday will be processed as soon as possible during working days.

Please note that if you are purchasing a mix of Light and Heavy items at the same time, these will be sent separately. The Heavy items being sent by Courier, the Light items by Royal Mail 2nd Class Tracked.

All exceptions to these guidelines are noted in the product description.

For more information, view our Delivery page.

Reviews (23)
Independent Customer Feedback


4/ 5
(23 customer reviews)
  1. 4
    "Only rated 4 stars so far as we need to wait a few weeks to see if the product helps. Although it is much easier to administer than tablets which get spat out by our dog."
    Review by John Attwood / (Posted on
  2. 1
    "They haven’t helped my dog at all"
    Review by amanda benson / (Posted on
  3. 4
    "Use these for our nervous dog they calm him to a point which allows us to have calmer walks."
    Review by / (Posted on
  4. 4
    "These tablets are good, they have helped us with our very nervous GSD"
    Review by Karen Eaton / (Posted on
  5. 5
    "Very good product, just put on food cats never noticed it was there and ate as normal. Have seen improvement in settling the cats down and had no recent problems with one girl weeing on the floor."
    Review by margaret jones / (Posted on
  6. 5
    "I’m using this product long term to help a highly strung cat. Both he and the 5 other cats in the colony have greatly benefited from the effects - everyone is happier!"
    Review by Tina Rasmussen / (Posted on
  7. 4
    "Perfect for my cat (who has hyperesthesia). As they are beef flavoured, she eats them without too much trouble."
    Review by Victoria Ratcliffe / (Posted on
  8. 5
    "Effective for calming my elderly border terrier at night as he has dementia and gets anxious at night"
    Review by / (Posted on
  9. 3
    "It didn't work as well as last year"
    Review by Paula Lloyd / (Posted on
  10. 2
    "This is one of several products I've tried to calm down an overly excitable dog. To be honest, it worked no better or worse than some of the others I've tried - it isn't that effective."
    Review by / (Posted on
View all 23 customer reviews