Running a B12 deficitwhich about six percent of Americans under the age of 60and 20 percent of those over 60 do (1)puts you at risk for muscle weakness, fatigue, depression, memory issues, erectile dysfunction, and a cluster of symptoms that can be so severe that theyre debilitating
References Abel ED, Gloyn AL, Evans-Molina C, et al
Look through the solution, not just at it
Keep it Dark & Dry: Store the vial in its original box or a dark container to protect it from light, which can also contribute to degradation
Global status report on alcohol and health and treatment of substance use disorders
You may also feel tired and weak, have weight loss, a lack of appetite, and even a sore tongue or mouth too