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Brain fog or difficulty concentrating
According to USDA Agricultural Research Service data based on NHANES, approximately 6% of adults aged 60 and older in the United States are vitamin B12 deficient, defined as plasma B12 below 148 pmol/L (2009)
It also acts as a direct precursor to the neurotransmitter acetylcholine
Gas Loose stools Flushed skin Weight gain Its best to discuss any use of a new supplement directly with your healthcare provider
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