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doi: 10.1017/S0007114522002343 19
The Two Phases of B12 Therapy: Loading and Maintenance Getting your B12 levels back on track with injections isn't a one-and-done deal
Vitamin B12 is an essential nutrient involved in red blood cell formation, neurological function, DNA synthesis, and cellular energy metabolism
Again, B12 is harmless even at much higher doses, so its better to play it safe and inject too much rather than too little
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