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Further Reading References: (1) Heffernan M, Summers RJ, Thorburn A, Ogru E, Gianello R, Jiang WJ, Ng FM
It helps make myelin, which protects nerve fibers
Light activity is fine, but avoid intense exercise for the remainder of the day if the injection site feels sore
Biotin deficiency reduces expression of SLC19A3, a potential biotin transporter, in leukocytes from human blood
Untreated vitamin B12 deficiency can lead to various physical, neurological, and psychological issues
You should tailor a B12 supplement to meet your needs and not overdo it because the liver stores B12, and the kidneys send excess vitamin B12 out through urine
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