Source Naturals, Genistein, Soy Complex, 1,000 mg, 120 Tablets
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4 people found the following review helpful
Posted by Reviewer1244807 on Dec 15, 2007
Genistein was shown in a small study to block tyrosine kinase, an enzyme that is activated in CEBV. This product has saved me, enabling me to return to work. I've been taking it for almost two years.
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No thanks - may worsen CFS, adrenal dysfunction, MCS, et al
3 people found the following review helpful
Posted by Health-Is-Wealth on Mar 11, 2014
Genistein inhibits two crucial enzymes - 3-beta-hydroxysteroid-dehydrogenase (3B-HSD) and 21-hydroxylase. These enzymes are responsible for converting cholesterol to progesterone and cortisol. 3B-HSD also affects synthesis of other hormones. Inhibiting the aforementioned enzymes has repercussions for energy production, among other things - especially if there are any other issues with synthesis/conversion of cholesterol (e.g. lacking nutrients, defective pathway). Genistein may therefore worsen CFS/adrenal dysfunction. Tyrosinase is a copper enzyme. 'Increased manganese intake impairs the activity of copper metallo-enzymes' - from The Clinical Effects of Manganese by E. Blaurock-Busch, PhD - if your goal is to inhibit tyrosinases, you could try taking manganese instead (it's cheaper). Some other options are turmeric (also inhibits tyrosinases, e.g. tyrosine hydroxylase), chick peas (aka Garbanzo Beans, contain same isoflavones, though less of). If any/all of those things cause you to feel awful - then inhibiting tyrosinase is not such a good idea and/or there's possibly an iron issue. If this review was helpful to you, please click YES below - thank you. For reviews of all the products I have purchased from iHerb, please click my username above.
1 person found the following review helpful
Posted by Reviewer2392190 on Jan 24, 2007
I was suffering from horrible night sweats and hot flashes. Nothing esle had worked. Within one week of taking Genistein 3 times a day, systoms were 95% eliminated!!!
Excellent addition to my husband's prostate cancer fighters.
Posted by Reviewer3290590 on Feb 06, 2010
Genistein is part of my husband's regimen of cancer fighters.
Posted by Reviewer2142054 on Sep 05, 2011
i bought this product for my mom, and she said the tablet is not easy to swallow but effective.