Get Better "Muscle Pumps" And Enhanced Fat Loss! Vanadyl Sulfate is 100% Pharmaceutical Grade! It has been shown to reduce and improve glucose tolerance as well as increase insulin action inside living cells. These mechanisms are used in rapid tissue growth particularly when stressed. Eclipse 2000 Vanadyl Sulfate contains 10mg of pure Vanadyl per tablet derived from Vanadium (a trace mineral). Each batch of our pharmaceutical grade Vanadyl is assayed for potency and purity, assuring you the value you deserve.