Isoflavones consist of genistein, daidzein, glycitein and equol. Their structure is similar to the human hormone oestrogen, and they may provide protection against breast and prostate cancers, heart disease and osteoporosis and reduce menopausal symptoms.
However, there is some speculation that they may interfere with the receptors of human oestrogen and cause problems such as epithelial hyperplasia, goitre and hyperthyroidism. This may or may not be proved in due course.
Some isoflavones naturally inhibit the growth of the bacteria helicobacter pylori. In the stomach This coupled with their oestrogenic action is useful for treating this infection.
Isoflavone studies, conducted only in women, showed that consumption of isoflavone rich foods may reduce the body mass index.
Natural sources of isoflavones in alphabetical order
- Alfalfa
- Chickpeas
- Red clover
- Soybeans
NOTE: Over consumption of isoflavones may negatively affect the thyroid function.
Related subjects
- A-Z of nutrients
- Bone and joint disorders
- Cancer
- Helicobacter pylori infection
- Menopause and andropause
- Intestinal disorders
- Obesity
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