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Not having enough can cause tiredness, brain issues, and big red blood cells
This can be due to having low levels of intrinsic factor in the digestive system, having a digestive condition, or following a plant-based diet
Maintaining cellular NAD supports mitochondrial function, stress resilience, and metabolic flexibilitykey mechanisms linking NNMT inhibition to improved energy balance (Kannt & Pfenninger, Frontiers in Physiology )
The strongest support comes from clinical evidence focused on treating vitamin B12 deficiency, not from general wellness claims What science supports The NIH Fact Sheet for Health Professionals shows that intramuscular B12 injections are effective at raising blood B12 levels and correcting deficiency
Dosing Protocol Suggested approach for the 10 mg vial format
A 1 ml syringe may be more comfortable for frequent, smaller doses, while a 3 ml syringe may be better for less frequent, larger doses
