Pet Alive FCV Protect is a natural supplement containing 100% homeopathic ingredients to support feline respiratory health & to help maintain a healthy immune system – especially of vulnerable kittens & pregnant queens. This supplement is completely safe for kittens & pregnant queens – with no risk to the unborn kittens. FCV protects supports respiratory healthy to promote healthy breathing & protect against cat flu symptoms such as feline sneezing, nasal congestion & watery eyes. FCV Protect is taken internally & may also be very helpful in providing systemic & immune system support. Presented in a convenient dissolvable granule form. The tiny granules are easy to administer (even to animals that will not swallow tablets) & are simply sprinkled on the back of the tongue & left to dissolve.