TryCancer Potent Elixir Mix
Black cumin and breast cancer by ER status
Thymoquinone has antiproliferative and antimetastatic effects and promotes programmed cell death in breast cancer cells. Numerous studies have reported that thymoquinone and black cumin seed extracts have anti-cancer activity in animal models of triple negative (ER-/PR-/HER2-) breast cancer, as well as in triple negative breast cancer cells. Thymoquinone has been shown to modify cell cycle progression and induce cell death in HER2-positive (HER2+) breast cancer cells. Some studies have found only a modest reduction in growth or proliferation in ER+/PR+ cells as a result of treatment with thymoquinone. However, a 2026 study reported that thymoquinone reduced ER+/PR+ cell movement and growth and restored immune recognition.
Carvacrol, a volatile organic compound that contributes to black cumin's distinctive scent, has also been shown to reduce the viability of triple negative, and to a lesser extent, ER+/PR+ breast cancer cells. Carvacrol has also been reported to enhance the treatment effects of cisplatin, doxorubicin, 5-FU and tamoxifen. Carvacrol treatment was found to markedly offset the effects of the carcinogen DMBA in an animal model of breast cancer in one 2025 study.
Black cumin might enhance breast cancer treatment
Thymoquinone has been shown to increases the effectiveness of paclitaxel, docetaxel, doxorubicin and cisplatin chemotherapy in both ER+/PR+ and triple negative breast cancer models while reducing toxic side effects. For example, one study using tumor-bearing mice reported that the combination of thymoquinone plus doxorubicin suppressed tumor growth more than treatment with doxorubicin alone. In addition, thymoquinone appeared to reduce doxorubicin-induced heart damage.
Thymoquinone also has been reported to potentiate the cytotoxic effects of tamoxifen in ER+/PR+ breast cancer. In addition, thymoquinone has been shown to radiosensitize ER+/PR+ breast cancer cells, thereby increasing the treatment effects of radiotherapy.
Additional comments
In addition to its use as a spice, black cumin has traditionally been used to treat diseases such as fever, intestinal problems, diabetes, asthma and cancer.
Black cumin is not related to cumin (Cuminum cyminum), which is a member of the parsley family. Instead, black cumin is a member of the buttercup family (Ranunculaceae). It is also known as black seed, Roman coriander, fennel flower, nutmeg flower and black caraway. Hence, it is important to verify that you are purchasing Nigella sativa seeds. Buying organic black cumin is best since it reduces the likelihood of contamination or admixture of other spices. Black cumin can be ground and used similarly to black pepper in cooking.
Although black cumin seed oil is available as a supplement, the safety of this more concentrated source of thymoquinone has not been established. Like other compounds with anti-cancer effects found in food, we favor using thymoquinone at the relatively low dose available in black cumin seeds rather than attempting to obtain pharmacological effects from a concentrated dose.
Recap
Borrowed from foodforbreastcancer.com
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