We hope future research will provide more clarity, but based on the current evidence, it appears that a daily multivitamin supplement providing at least 5 ug of B12 should be sufficient for meeting needs in healthy adults with normal absorption
Research suggests that intramuscular delivery achieves significantly higher plasma concentrations than oral supplementation, making injectable Vitamin C a clinically effective option for patients with deficiency, compromised immune function, or chronic fatigue
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Critical components such as red blood cells and immune cells are separated from the plasma and returned to the body for healthy functioning
Needle phobia is real, and it directly reduces compliance with treatment
However, high B12 levels in the blood can be a sign of underlying kidney or liver disease, indicating that these organs are struggling to get rid of excess B12