Do phytoestrogens increase cancer risk?
Do phytoestrogens increase cancer risk?
Despite the evidence that some phytoestrogens at low doses can promote the growth of breast cancer cell lines and increase biomarkers of cellular proliferation in human breast cells after a short-term diet rich in phytoestrogens, current evidence would suggest that a high dietary intake of phytoestrogens does not …
Should we avoid phytoestrogen?
There are no known health risks from eating more plant foods. As a rule of thumb, you should avoid taking phytoestrogen supplements unless your doctor tells you otherwise. Researchers believe that the phytoestrogen contents in such supplements greatly vary, and could have unintended consequences on your health.
Who should avoid phytoestrogens?
While evidence is still growing, some data suggest women with HER-2-positive tumors and pre-menopausal women at high risk for breast cancer should avoid phytoestrogens.
What are the side effects of phytoestrogen?
In summary, we found that phytoestrogen supplements have a safe side-effect profile with moderately elevated rates of gastrointestinal side effects, abdominal pain, myal- gia, and sleepiness. Use of phytoestrogens is not associated with an increased risk of endometrial cancer or breast cancer.
Are phytoestrogens safe for breast cancer?
Given current knowledge, women who have ER+ tumors should not increase their phytoestrogen intake. Several studies suggest an inhibitory effect on ER- breast cancer cell growth, and it may be reasonable for women with ER- tumors to safely consume soy and possibly other phytoestrogens.
What foods decrease estrogen levels?
The following foods may lower levels of estrogen:
- Soy products. Products made from soy are uniquely rich in compounds called phytoestrogens.
- Cruciferous vegetables. Cruciferous vegetables contain a chemical called indole-3-carbinol, a chemical that may have anti-estrogen effects.
- Mushrooms.
- Curcumin and turmeric.
What is a natural replacement for estrogen?
The most widely cited natural remedy is soy, which is very high in phytoestrogens, or plant estrogens. Other sources are red clover and flaxseed, both of which are available as supplements.
Is phytoestrogen an estrogen blocker?
Phytoestrogens are nonsteroidal diphenolic compounds that bind weakly (relative to estradiol) to the estrogen receptor. They have also been reported to be antiestrogenic and inhibitors of estrogen binding.
Does phytoestrogen cause blood clots?
Patients with prothrombotic tendencies should be warned against using herbal phytoestrogen preparations. Oestrogen supplements are known to cause deep vein thrombosis, pulmonary embolism, and retinal vein thrombosis.
Is tamoxifen a phytoestrogen?
As with soy foods, many women have concerns about flaxseeds, because they too contain nutrients that are referred to as “phytoestrogens.” The “phytoestrogen” nutrients in flax are called lignans. There is much less research on flaxseeds, lignans, and tamoxifen.
