Soy Isoflavones

Last Updated: February 8, 2023

Soy Isoflavones, usually Genistein and Daidzein, are bioflavonoids found in soy products and other plants that are able to interact with various hormones such as estrogen. They appear to be healthy, and are not anathema to young men and testosterone levels.

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Soy Isoflavones is most often used for

Summary

Soy isoflavones (Genistein and Daidzein) are compounds found in a wide variety of foods, but mostly soy, that affect a wide-variety of body systems. They seem to mimic the female hormone estrogen to a degree (although slightly different).

They have been implicated in both reductions and increases of breast cancer risk, and generally are good at cardioprotection from reducing lipoprotein levels and are seen as good for bone health in the aging as well.

What else is Soy Isoflavones known as?
Note that Soy Isoflavones is also known as:
  • Genistein
  • Genistin
  • Daidzein
  • Daidzin
  • Equol
  • Dihydrogenistein
  • Dihydroglycitein
  • Glycitein
  • Glycitin
Soy Isoflavones should not be confused with:
  • Soy (the food product)
  • Soy Lecithin (another molecule found in soy)
Dosage information

Many anti-carcinogenic effects of genistein are seen in the range of 10-20mg/kg bodyweight a day. Epidemiologically, this dose is also associated with reduced lipoprotein levels.

In vitro studies on glucose and muscle cell metabolism showing a nutrient partitioning effect at 20-30uM correlate to a dietary intake of 200-300mg/kg bodyweight (assuming the 1uM circulating serum levels per 10mg/kg BW intake noted.[1])

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