A method for the treatment, prophylaxis, amelioration or prevention of disorders associated with abnormally high activity of steroidal estrogens, which includes administering to a human subject a composition comprising an isoflavone-containing extract of clover or chick peas, said extract comprising primarily biochanin, or a ration of biochanin to one or more of the isoflavones from the group formononetin, daidzein and genistein in the range of from about 2:1 to about 5:1, optionally in association with one or more pharmaceutically acceptable carriers, excipients, auxiliaries and/or diluents is described. Also described are compositions and uses comprising the isoflavone containing extracts.