4-Bromo-resveratrol is a potent and dual inhibitor Sirtuin-1 and Sirtuin-3. 4-Bromo-resveratrol inhibits melanoma cell growth through mitochondrial metabolic reprogramming. 4-Bromo-resveratrol imparts antiproliferative effects in melanoma cells through a metabolic reprogramming and affecting the cell cycle and apoptosis signaling.