Brassicasterol is a metabolite of Ergosterol and has cardiovascular protective effects. Brassicasterol exerts anticancer effects in prostate cancer through dual targeting of AKT and androgen receptor signaling pathways. Brassicasterol inhibits HSV-1 (IC50=1.2 μM) and Mycobacterium tuberculosis. Brassicasterol also inhibits sterol δ 24-reductase, slowing the progression of atherosclerosis. Brassicasterol is also a cerebrospinal fluid biomarker for Alzheimer's disease[1][2][3][4][5][6].