PhytoB-L 4X is an improved version of its original form, PhytoB. It is a liquid menopausal formula comprised of both estrogen and progesterone that helps tame various symptoms. These symptoms include, but are not limited to, hot flashes, mood swings, heavy menstrual periods, and cold sweats. PhytoB-L 4X is a progesterone and bioidentical estrogen formula blended with essential oils.