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While effective in supplementing B12 levels, they are not derived from natural food sources and are formulated to mimic the active forms of B12 found in the body
What Are The Risk Factors For Vitamin B12 Deficiency
Hypokalemia and sudden death may occur in severe megaloblastic anemia which is treated intensely
doi:10.1002/1099-0690(200301)2003:1 3.0.CO;2-I
Vitamin B3 (Niacin)
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