If you were suffering any neurological symptoms of B12 deficiency, such as tingling or numbness in your extremities, then you should notice a reduction of these symptoms as the B12 helps to repair the damaged nerves
Canapp SO Jr, Farese JP, Schultz GS, Gowda S, Ishak AM, Swaim SF, Vangilder J, Lee-Ambrose L, Martin FG
This protective effect extended to other stressors, as glutathione amino acid precursors also shielded cells from blue light-induced ROS production and pollutant-induced ATP depletion, demonstrating a broad-spectrum protective action
It decreases LPS-induced increases in the levels of reactive oxygen species (ROS), IL-6, and TNF-alpha in RAW 264.7 cells when used at a concentration of 10 M
Your gut is also real
But true dermal repair requires a deeper biological signal