High-dose licks for joint function in cats Doppelherz for Animals Joint Complex for cats offers optimal and high-dose active ingredients in the form of delicious licks that support joint metabolism (e.g. in the case of osteoarthritis). It contains omega-3 fatty acids, vitamin E, green-lipped mussel, rose hip, glucosamine and chondroitin, which in combination have a positive effect on joint function and collagen formation. For maintaining healthy and elastic joints. Note: Without added sugar, coloring or artificial flavorings.