The in vitro and in vivo bioactivities of silibinin (SB). paclitaxel (PTX) and SB and PTX in combination (SB+PTX) against murine metastatic mammary 4T1 cancer cell line were investigated. Isobologram and combination index (CI) analyses showed that SB and PTX can function synergistically in the inhibition of 4T1 cell proliferation with a CI value https://pipingrockers.shop/product-category/phosphatidylserine/