Provided herein are compositions and methods for boron neutron capture therapy. In particular, the disclosure relates to therapy using liposomal Na3[1-(2′-B10H9)-2-NH3B10H8] and K[nido-7-CH3(CH2)15-7,8-C2B9H11] sources. A composition for boron neutron capture therapy, comprising a liposome having an aqueous core and an encapsulating bilayer, wherein the aqueous core comprises Na3[1-(2′-B10H9)-2-NH3B10H8] (TAC) and the encapsulating bilayer comprises K[nido-7-CH3(CH2)15-7,8-C2B9H11] (MAC) is also provided.