A method of treating, preventing, reducing the occurrence of, decreasing the symptoms associated with, and/or reducing secondary recurrences of breast cancer, prostate cancer, colon cancer, lung cancer, and bladder cancer in a subject in need thereof, comprising:
- administering to the subject an orally administrable composition,
- the orally administrable composition including sulforaphane or a derivative thereof and one or both of a maitake and a shiitake mushroom extract or powder, and
- the orally administrable composition being formulated to provide synergistically effective amounts of one or both of a sulforaphane and/or a sulforaphane precursor and one or more glucans.