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The ability to absorb vitamin B12 decreases with age, leading to deficiency symptoms such as mood swings, muscle weakness, memory problems, impaired red blood cell production, and more

As an example, GSH depletion has been shown to promote pro-inflammatory microglial phenotypes and amplify astrocyte-microglia crosstalk (Vilhardt et al., 2017)

One 1994 topical trial in one specific ulcer population is a data point, not a general claim, and the product it studied was never approved

Both cyanocobalamin and hydroxocobalamin are Vitamin B12 types used in shots

Assembly of presynaptic active zones from cytoplasmic transport packets

Neither Wells Fargo nor the Department of Labor has provided additional comment about the investigation