Nicotinamide Mononucleotide NMN helps one avoid aging and aging diseases by providing the body with nutrients that encourages this. Without any obvious toxicity or deleterious effects, NMN suppressed age-associated body weight gain, enhanced energy metabolism, promoted physical activity, improved insulin sensitivity, and plasma lipid profile, and ameliorated eye dysfunction and other pathophysiologies, contained in broccoli, cabbage, cucumber, avocado.