This isnt an instant fix
Short-chain fatty acids (SCFAs) produced by the microbiota can promote intestinal barrier repair through a variety of mechanisms, including activating inflammasomes and affecting the secretion of interleukin (IL)-18, promoting epithelial cell migration, regulating tight junction protein expression, activating G protein-coupled receptors, and inhibiting tissue protein deacetylases [10, 11]
It seems reasonable to assume that patients who feel unwell due to lack of B12 will be less able to fight the coronavirus, should they get infected
Cingulin, a new peripheral component of tight junctions
Indeed, other than cystine, amino acids such as glutamine, methionine, serine, leucine, and glucose were at two to five-fold higher concentrations than those in the plasma of healthy human subjects