Interesting product, Plusbac Feeder, fermented herbal supplement.
Ingredients include elements of the following herbs: Caraway Yarrow Aniseed and Fennel Birch Leaves Goldenrod Rosemary Peppermint Marshmallow root Raspberry leaves.
Bacteria to include Lactobacillus Plantarum, Lactobacillus Casei, Saccharomyces Cerevisiae
Feeding Guide, Small Animals / Dogs / Cats: 1ml per 2kg
Double the above for one month if you animal currently has a health issue, or at times of potential stress.
https://www.plusbac.net/product/plusbacfeed/
https://www.facebook.com/pg/plusbacprobiotics/posts/?ref=page_internal
Reviews on Amazon UK. https://www.amazon.co.uk/s/ref=nb_sb_ss_i_4_7?url=search-alias%3Daps&field-keywords=plusbac+for+dogs&sprefix=plusbac%2Caps%2C274&crid=U6ACAB0KJTTF
Available from a few outlets and worth shopping around for best value and postage.