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Vitamin B12 is usually prescribed as a supplement to treat nerve damage due to its ability to preserve healthy nerve cells
Oral supplements have 2.4 to 2.6 mcg of vitamin B12
The critical insight: peptide concentration affects stability
The key difference is not simply convenience or how quickly vitamin B12 enters the body
You have higher levels of the chemicals homocysteine and methylmalonic acid and reduced DNA synthesis, leading to neurological and psychological symptoms, such as confusion, mood swings, problems walking or talking, and irritability
When malabsorption is the issue, simply eating more B12-rich foods or taking standard oral supplements might not be enough
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