Genistin is an isoflavone glycoside found in soy-based food products. This is an inactive analog of the PTK inhibitor Genistein and can be used as a negative control for Genistein. Reported to reduce bone loss in ovarectomized rats. Genistin is an inhibitor of TdT.;Genistin is an isoflavone glycoside found in soy-based food products. This is an inactive analog of the PTK inhibitor Genistein and can be used as a negative control for Genistein. Reported to reduce bone loss in ovarectomized rats. Genistin is an inhibitor of TdT.An isoflavone glycoside which is an inactive analog of the PTK inhibitor Genistein.