Palm oil tocotrienols and plant flavonoids act synergistically with each other and with Tamoxifen in inhibiting proliferation and growth of estrogen receptor-negative MDA-MB-435 and -positive MCF-7 human breast cancer cells in culture
N Guthrie BSc, A Gapor MD, BSc , AF Chambers PhD, KK Carroll PhD
1997
http://apjcn.nhri.org.tw/server/APJCN/6/1/41.htm
These results suggest that diets containing palm oil may reduce the risk of breast cancer, particularly when eaten with other plant foods containing flavonoids, and may also enhance the effectiveness of Tamoxifen for treatment of breast cancer.