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Kamboj A et al (2016): Pediatric Exposure to E-Cigarettes, Nicotine, and Tobacco Products in the United States
It can also negatively impact bone quality and increase fracture risks, such as retinoic acid can inhibit osteoblast activity, stimulate osteoclast formation, induce bone resorption, and negatively impact bone quality (Li et al., 2019)
NMN (Nicotinamide Mononucleotide) One step away from becoming NAD+ Slightly newer, with growing research Effective dose: 300-900mg daily Some studies show benefits for sleep quality NR (Nicotinamide Riboside) Two steps away from becoming NAD+ (converts to NMN first, then to NAD+) More published human studies Effective dose: 250-500mg daily Research shows benefits for brain health markers For specific guidance, see our detailed breakdown of optimal NMN dosage based on current research