What is the health benefit of genistein?
In spite of an extensive literature on the effects of dietary genistein, questions still exist as to its potential overall benefits as a component of the human diet. Dietary genistein ingestion has been linked, through epidemiological and animal model studies, with a range of potential health effects. These include prevention of breast, colon, and prostate cancers, cardiovascular disease and post-menopausal ailments. Genistein may also be helpful in decreasing bone loss after menopause.

What is the research interpretation for genistein?
Nutr Reviews. 2013. Pleiotropic effects of genistein in metabolic, inflammatory, and malignant diseases. This soy-derived biologically active isoflavone exhibits diverse health-promoting effects. An increasing body of evidence shows that it influences lipid homeostasis and insulin resistance, counteracts inflammatory cytokines, and possesses antidiabetic properties. It also impedes cancer progression by promoting apoptosis, inducing cell cycle arrest, modulating intracellular signaling pathways, and inhibiting angiogenesis and metastasis of neoplastic cells. This review summarizes the many functions of genistein in common health disorders such as metabolic syndrome, chronic inflammatory diseases, and cancer.

Does genistein have effect on antioxidant?
Genistein appears to have excellent antioxidant ability.

The effect of genistein supplementation on performance and antioxidant status of Japanese quail under heat stress. 
Results of the present study suggest that supplementation with genistein can be considered to be protective by reducing the negative effects of oxidative stress induced by heat stress in quail.

Asthma and lung function

Genistein may be associated with improved lung function in asthma.

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