Menadione sodium bisulfite is a water-soluble form of menadione, a synthetic substance that belongs to the Vitamin K group of compounds. It is a “precursor” of Vitamin K, meaning it is formed ...

They gave the mice menadione sodium bisulfite, a precursor of vitamin K that acts as a pro-oxidant. Unlike antioxidants, which protect cells from damage caused by unstable molecules known as free ...