Vitakraft cat liquid snack duck glucans is a really tasty treat for your cat that tastes pure you can feed it straight from the tube put some on your finger for the cat to lick off or add it to their meals as a supplement it can also help pickier eaters to get used to new foods it has a gel like consistency that cats love but it is still free from artificial flavourings preservatives and colourings the added beta glucans can help to strengthen your cats immune system the eco friend