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Hypokalemia: In extremely rare cases, B12 injections may lead to low potassium levels in the blood, known as hypokalemia

The Importance of Vitamin B12 Vitamin B12, also known as cobalamin, plays a vital role in numerous bodily functions, including red blood cell formation, nerve function, and DNA synthesis

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Ambrosone CB, Zirpoli GR, Hutson AD, McCann WE, McCann SE, Barlow WE, Kelly KM, Cannioto R, Sucheston-Campbell LE, Hershman DL, Unger JM, Moore HCF, Stewart JA, Isaacs C, Hobday TJ, Salim M, Hortobagyi GN, Gralow JR, Budd GT, Albain KS

Elevated liver enzymes usually indicate inflammation or injury of the liver