Hello, I am seeking insights from licensed dermatologists, nutritionists, or qualified health professionals regarding the effectiveness of Nicotinamide Riboside (NR) in promoting skin elasticity, joint health,hair strength or skin health. Specifically, I am looking for expert perspectives on the following: 1.How does Nicotinamide Riboside (NR) impact NAD⁺ levels and overall cellular health, according to recent studies? 2.Does NR supplementation improve skin repair and resilience by supporting NAD⁺ and cellular stress responses? 3.What are the findings on the tolerability of NR, especially in long-term use for energy and skin support? 4.How effective is NR in building benefits over time, particularly in formulas designed for cellular energy and resilience? Only responses from licensed medical professionals or qualified experts will be considered for inclusion in the article. Thank you for your time and expertise.