Nicotinamide riboside with pterostilbene (NRPT) increases NAD+ in patients with acute kidney injury (AKI): a randomized, double-blind, placebo-controlled, stepwise safety study of escalating doses of NRPT in patients with AKI. - Simic P; Vela Parada XF; Parikh SM; Dellinger R; Guarente LP; Rhee EP (BMC nephrology, 2020)