If you prefer a different form of B12 or need a lower dose, this might not be the best option
Leaving the vial on a shelf gives you exactly the same window as refrigerating it
34 Exosomes are involved with angiogenesis, immune responses, cell adhesion and migration, inflammatory response, metabolic adaptation, fetal development, and intercellular communication
Your liver, brain, and immune cells all depend on adequate glutathione levels
Immunopharmacol Immunotoxicol 40:278283 Xin P, Xu X, Deng C, Liu S, Wang Y, Zhou X, Ma H, Wei D, Sun S (2020) The role of JAK/STAT signaling pathway and its inhibitors in diseases