Genistein (Standard) is the standard substance of Genistein, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Genistein (NPI 031L) is a naturally occurring soy isoflavone, a multi-targeted tyrosine kinase inhibitor. Genistein has antitumor, antioxidant, and anthelmintic properties, and also produces estrogen-like effects in the body.