it is a supplement
https://www.neurorelief.com/index.php?option=com_content&task=view&id=121&Itemid=47
i hate to buy a whole bottle and try one pill only to find out i can't tolerate it. that is how it goes with me nowadays.
I've taken Kavinace in the past, but for the life of me can't remember if it was helpful or not. I was taking a whole bunch of things for sleep at the time.