RecruitingDietary supplementEffectiveness of Qualia NAD+ Supplementation on Intracellular NAD LevelsThe goal of this clinical trial is to determine if Qualia NAD+ effectively increases NAD+ levels in the blood and to evaluate its safety. Researchers will compare Qualia NAD+ to a placebo (a look-alike substance that contains no active drug) to assess its efficacy in increasing NAD+ levels in the blood. Participants will: Take Qualia NAD+ or a placebo every day for 4 weeks. Undergo blood tests before and after the trial.