Soy Isoflavone 是从豆科植物的种子中提取的。大豆中的异黄酮是天然植物雌激素，具有很好的药用价值，可以降低女性乳腺癌的发病率，缓解更年期症状，增加骨密度。

Soy Isoflavone is extracted from the seeds of leguminous plants. The isoflavones in soybeans are natural phytoestrogens, which have good medicinal value and can reduce the incidence of breast cancer in women, relieve menopausal symptoms, and increase bone density.

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years