Soy Isoflavones
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During the past several years nutritionists have begun to appreciate the many
biologically active, nonnutrive components of plant foods. often referred to as
phytochemicals. Phytochemicals are produced by plants for their own defense, but evidence
increasingly suggests that phytochemicals possess many biological properties that can
impact many biochemical and physiological processes.
Of all the phytochemicals that exist in the foods we eat, perhaps none has received as
much attention as a group of phytochemicals found almost exclusively in soybeans:
isoflavones. Isoflavones are now being studied in laboratories throughout the world and
during just the past three years alone, more than 1,000 medical and scientific papers have
been published on isoflavones.
There are three primary isoflavones in soybeans: genistein, daidzain, and glycitein. In
various experimental models, isoflavones have exhibited properties that suggest they may
help to lower the risk of cancer, heart disease, osteoporosis, and for the relief of
menopause symptoms such as hot flashes.
Interest in the isoflavones dates back to the early 1950's when it was first shown that
isoflavones are weak estrogens or phytoestrogens (plant estrogens) That is isoflavones
posses estrogenic activity. This is not surprising given the chemical structure of the
isoflavones is similar to that of the female sex hormone estrogen.
Isoflavones and Cancer
As early as the 1960's scientists suggested that the isoflavones may be able to reduce
the risk of breast cancer because they are weak estrogens. Why might isoflavones reduce
breast cancer risk when high blood levels of estrogen increase risk? The answer is that
weak estrogens in certain situations can actually function as anti-estrogens. That is they
can block the effects of estrogen, thereby theoretically decreasing breast cancer risk.
There are as many as 5 different mechanisms by which the isoflavones may exert
anti-estrogenic effects. Some research suggests that one factor contributing to the low
Japanese breast cancer mortality rate is soyfood consumption.
In addition to breast cancer, soybean isoflavones may help reduce the risk of several
types of cancer, including lung, colon and rectal cancer. One cancer that is receiving a
lot of attention in relation to isoflavones is prostate cancer. The Japanese prostate
cancer mortality rate is very low compared to Western countries. Some research
suggests that one factor contributing to the low Japanese prostate cancer mortality rate
is soyfood consumption. Isoflavones have been shown in animal models to slow the growth of
and to delay the development of pre-cancerous prostate lesions and prostate tumors.
Research using cells indicates that the soybean isoflavone genistein inhibits the
growth of blood vessels. Tumors need to stimulate the growth off blood vessels to receive
oxygen and nutrients. Without these new blood vessels tumors can't grow. Recent
preliminary data suggest that soy may inhibit the growth of blood vessels in humans. Thus,
isoflavones may actually be useful in the treatment of existing tumors.
About our Soy Isoflavones
our Soy Isoflavones is manufactured from SoyLife brand of premium soy isoflavone
extract. Soylife is manufactured in Europe under strict European quality control standards
without the use of harsh chemicals. It is meticulously extracted to provide standardized
levels of naturally occuring isoflavones including genistein, genistin, daldzin, daldzein,
glycitin, and glycitein.
Each Tablet contains Soy bean extract 1000 mg.
(Glycine max)
Standarized to 2.5-3.5% (25-35 mg.) isoflavones
Quality and Potency Guaranteed
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