deltaG® is the revolutionary Oxford Ketone Ester designed to elevate blood ketone levels and deliver a powerful alternative fuel source. The result: enhanced physical performance, sharper mental acuity, and metabolic optimization.rnrnBorn from decades of research collaboration between Oxford scientists and NIH researchers, deltaG® represents a breakthrough in exogenous ketone science. Originally proposed to DARPA as a new nutritional category, the product required years of research, regulatory navigation, and FDA engagement to bring to market.