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Without enough vitamin B12, the process becomes disrupted, leading to megaloblastic anemia a condition characterized by abnormally large red blood cells that are unable to carry oxygen efficiently throughout the body
Both vitamins play roles in tissue repair, immune response, and nerve recovery, so low levels can slow healing
The injection is given in the arm, intramuscularly
Sublingual formulations, which dissolve under the tongue, are often marketed as superior to standard tablets, but most of the dissolved vitamin is actually swallowed with saliva and absorbed through the digestive tract similarly to regular oral supplements
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