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While optimizing those nutrient inputs and exercise can help support healthy NAD+ levels, for most adults, this probably wont be enough
Only clinical study designs (S)randomised controlled trials (RCTs), non-RCTs, cohort, or case-control studieswere included
B12 supports red blood cell production and nerve function
The duration and sustainability of the effects from B12 injections depend significantly on individual factors, such as metabolic rate and the level of B12 deficiency
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