Chamomile if need be.. not teabag. but good chamomile strong, 2 to 3 tablespoons simmered for a minute in water and strained and squeezed out with kava bag. warming relaxing activities are helpful as the kava anxiety is cold based. Hot shower can be nice. warm water. heavy meals almost always help the anxiety .. avoid super strong spices like cayenne. Hot sauce can make or break whether a burger helps the anxiety or worsens it. The light, pungent qualities add to those of kava and will make it worse. This is why when you dont feel kava it can help. its a matter of balance.. The flavor of kava will give you more idea of effects also the smell.
Heavy warm meal without strong spices.
Chamomle, lemon balm, hops, skullcap, passionflower. strong tea made from good quality herb. or tincture (herbpharm)