3β,5α-Tetrahydrodeoxycorticosterone-d6 is the labelled derivative of 3β,5α-Tetrahydrodeoxycorticosterone, which is a novel derivative of the steroid Dehydroepiandrosterone (DHEA), a known uncompetitive inhibitor of Glucose 6-Phosphate Dehydrogenase (G6PD). Studies have shown that 3β,5α-Tetrahydrodeoxycorticosterone may have potential function in the modulation of calcium and GABAA-gated chloride channel currents found in rat and guinea-pig neurons.