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[1] This characteristic has led to the widespread belief that vitamin B12 toxicity is virtually impossible
Vitamin B12 is important in the maintenance of our metabolism, blood cells, and nerve function
Alcohol Swabs: Swabs containing alcohol are used to clean injection sites before injections are administered
Oral bioavailability has not been clearly measured in humans
There are some very rare side effects listed in medical literature (mostly when large doses are given): for example, one out of many thousands of patients might develop a disturbance in liver enzymes or a tingling in the fingers or toes
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