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A couple years ago, I began feeling completely run down, couldn't think, couldn't perform daily duties
Vitamin B12 deficiency may cause problems with thinking, which doctors refer to as cognitive impairment
The most common side effects appear to be related to the method of administration, which is typically intramuscular or subcutaneous injection
They are involved in many physiological processes such as tissue repair, immune system regulation, and hormone production
In animal and cell studies it upregulates growth hormone receptor expression, modulates nitric oxide signaling, promotes angiogenesis via VEGF pathways, and activates FAK-paxillin and Egr-1 pathways involved in fibroblast migration
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