https://www.researchgate.net/publication/326063568_Synergistic_effect_of_thymoquinone_and_melatonin_against_breast_cancer_implanted_in_mice

Inthis study the researchers found that combining TQ and MLT act synergistically to inhibit breast cancer implanted in mice. "The anticancer effect of this combination is mediated by induction of apoptosis, angiogenesis inhibition, and activation of T helper 1 anticancer immune response."