Possibly curcumin &
More research needs to be done, but studies on mice suggest curcumin, extracted from turmeric, may have a very beneficial effect in cardiomyopathy
; it is certainly harmless to try- see www.
Lef.Org/newsletter/2008/0304_curcumin-may-help-prevent-heart-failure.Htm. Other herbs including hawthorne & coleus may also be beneficial, though more research is needed- see my comment for more information.