Disclosed are pharmaceutical compositions and topical formulations thereof that include multiple, phytochemically-active, nutraceutical compounds, and that possess potent anti-inflammatory and extracellular matrix-stabilizing properties both in vitro and in vivo. Also disclosed are prophylactic and therapeutic methods, as well as dosing regimens and medicaments for use in preventing chronic disease, for treating acute or long-term inflammatory-mediated conditions in affected or at-risk subjects, and for stabilizing one or more components of the mammalian extracellular matrix.