8 Benefits of NAD+ Injection Therapy NAD & B12 Injection 300,000 mcg Energy & Focus Support Lavi MD NAD+ vs. B12: What's the difference? NAD+ supports cellular energy, metabolism, and longevity at the mitochondrial level. B12 helps with red blood cell production, nerve health, and energyespecially if you're deficient. Ever feel like your energy and focus just aren't where you want them to be? There are a lot of conversations right now around options like NAD+ and B12 shotsbut understanding the