Vanadyl sulfate is a chemical compound that contains vanadium, a transition metal. It is often used as a dietary supplement, particularly for its potential benefits in improving insulin sensitivity and supporting metabolic health. The compound is typically found in a crystalline form and is soluble in water. In addition to its use in supplements, vanadyl sulfate has applications in various industrial processes, including the production of catalysts and ceramics. Research is ongoing to better understand its effects on human health and its potential therapeutic uses, particularly in relation to diabetes and metabolic disorders.