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Vitamin B12 plays a vital role in red blood cell production, neurological health, and DNA synthesis
While optimizing those nutrient inputs and exercise can help support healthy NAD+ levels, for most adults, this probably wont be enough
Dietary Habits: Vegetarians, vegans, and individuals with restrictive diets may need regular B12 injections to maintain optimal levels
Medical and Editorial Standards Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims
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