Vitamin E reduced significantly the response of both cell lines to estrogen (10 nM), and cell proliferation was decreased in MCF-7 and T47D cells by 69% and 84%, respectively. No growth inhibition was observed when cells were grown in the absence of estrogen.

Does vitamin E boost estrogen?

Vitamin E increases biomarkers of estrogen stimulation when taken with tamoxifen. J Surg Res. 2009 May 1;153(1):143-7. doi: 10.1016/j.

Can vitamin E affect your hormones?

Vitamin E possesses oestrogenic, androgenic and progesterone-like properties. It, moreover, acts synergistically with ovarian hormones and testosterone. The gonadal hormone-like effect of vitamin E and the synergistic action played between them, rendered vitamin E a real antisterility factor.