Soy Isoflavanoids, Genistein and Daidzein
Soy isoflavones (genistein and daidzein) have been shown to mimic the effects of estrogen, making them helpful in the transition to menopause. Genistein structurally resembles estrogen and acts as a selective estrogen receptor modulator. Soy is one of the most well-known phytoestrogens, the most researched and also the most controversial.
Studies show soy isoflavones are effective in reducing the frequency and severity of hot flashes and other symptoms of menopause including mood imbalance and fatigue. For example, one study found that soy isoflavones improved mood and hot flashes in menopausal women with high body mass index (BMI) measurements. Another study found that genistein decreased all severities of hot flashes in women entering menopause within the past 12 months with higher BMI’s. A 2011 report by the North American Menopause Society states that soy-based isoflavones are “modestly effective in relieving menopausal symptoms”. This statement is significant because the report literally evaluated hundreds of studies using soy supplementation for menopause and found benefit for its use.
Technical insights:
- Country of origin: China
- Part used: Soybean (Glycine max) seed
- Solvent for extraction: Water/ethanol
- Stored form: Light yellow fine powder
Soy Allergen
Corn Allergen
Non-GMO
Ingredient Benefits
Helps to balance blood sugar to reduce excess weight gain
Other findings in the use of soy isoflavones and especially genistein supplementation, is the positive effect on glucose metabolism and the reduction in both insulin levels and insulin resistance, which could help decrease fatty tissue in the body and the risk of metabolic syndrome.
Provides relief of menopause mood symptoms
For other menopausal symptoms such as mood dysfunction, soy isoflavones can cross the blood-brain barrier and can bind to estrogen receptors in the brain hippocampus and therefore may have antidepressant effects.
Promotes hormone balance in menopause
Soy researchers want to better understand how soy interacts with specific estrogen receptors and the inflammatory process of menopause. It is known that soy isoflavones are less effective than estrogen in reducing hot flashes. However, it was discovered that prolonged daily supplementation has been shown to reduce menopause related inflammatory impacts on areas such as weight gain, bone health and brain health.
Isoflavones are phytoestrogens that are mainly found in soy but can be found in other legumes as well. The most highly researched isoflavones are genistein and daidzein.
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