Canine Plus Senior Multivitamin for dogs provides the added nutrients, vitamins and antioxidants that keep active dogs healthy. This updated formula incorporates over 25 nutrients to meet the health needs of dogs including major systems like cardiovascular, brain, liver and immune. The new Canine Plus formula now includes biotin, which promotes moisture and elasticity in the skin and healthy coat growth. Inositol, also known as vitamin B8, has been included to add extra support to the cardiovascular and cognitive systems.