a composition and a method for the amelioration of lupus , related rheumatic diseases and inflammatory joint diseases . the composition consists of a bioflavonoid combined with bromelain . vitamin c may be added to the composition to improve its efficacy . the preferred flavonoid is luteolin or quercetin . myricetin may also be used as may be a glycoside such as rutin that contains either luteolin , quercetin or myricetin as an aglycone . other effective flavonoids can be selected by their ability to interact with the kv1 . 3 channel of lymphocytes . in preferred method of treatment a mixture of flavonoid , bromelain and vitamin c is administered at least daily by an oral route . a mixture of 500 mg quercetin , 500 mg bromelain and 500 mg vitamin c administered three times daily is effective .