In borderline cases, methylmalonic acid or homocysteine levels may be tested
This sounds trivial
On this forum recently, it was mentioned that making your own kefir has beneficial effects on the whole body, especially with gut healing for many reasons including inflammation, autoimmune diseases such as PA, Crohns (which I have) IBS, and many other chronic diseases
Less supported scenario: If your B12 status is already normal, extra B12 has not been shown to consistently boost energy in otherwise healthy people
A researcher might be in a hurry, forget to swab the top, or use the same needle for multiple vials
Researchers use it as the standard reconstitution solvent for the majority of lyophilized research peptides including GLP-1 agonists, GHRH analogues, GHRPs, cytoprotective peptides, and cognitive research compounds