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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 £17.06
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  • Reviews (22)


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 ½ a tablet
5 - 10kg 1 tablet
10 - 20kg 1½ tablets
20 - 30kg 2 tablets
30kg and over 2½ 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

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 Second Class (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 or a Guaranteed Next Day Courier service, Saturday Courier or even before 12 noon services. There's a small fee, but if you're in a hurry they are worth considering. To qualify for next working day delivery, orders must be placed before 12 Noon Monday to Thursday. There is no standard Saturday courier delivery.

Heavy items weighing 2kg and more are sent via courier. If ordered before noon Monday to Thursday, Heavy items will be delivered next working day. Heavy items ordered after 12 Noon Friday, or anytime Saturday and Sunday will dispatched on Monday for a Tuesday delivery.

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 Second Class.

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

For more information, view our Delivery page.

Reviews (22)
Independent Customer Feedback


4/ 5
(22 customer reviews)
  1. 1
    "They haven’t helped my dog at all"
    Review by amanda benson / (Posted on
  2. 4
    "Use these for our nervous dog they calm him to a point which allows us to have calmer walks."
    Review by / (Posted on
  3. 4
    "These tablets are good, they have helped us with our very nervous GSD"
    Review by Karen Eaton / (Posted on
  4. 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
  5. 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
View all 22 customer reviews