Nour-Eddine Ziraoui, et al. “Clinical Evaluation of a Time-Sequential Biphasic NMN–Resveratrol–Quercetin–Piperine NAD+ Supplement Targeting SIRT1 (BCLC™)”. Frontiers in Sustainable Development, vol. 6, no. 4, Apr. 2026, pp. 1-9, https://doi.org/10.54691/7pt02z87.