10.1056/nejmra1708111 N Engl J Med
Environ Exp Bot 156:815
When B12 levels are low, the signs can be varied: Anemia: fatigue, weakness, pale skin, and dizziness Fatigue: a deep-seated weariness that doesn't improve with rest Nerve Damage: tingling or numbness in hands and feet, balance problems, and memory loss (seek medical advice promptly) Mood Disturbances: depression, irritability, and personality changes Who Is Most at Risk for B12 Deficiency
51 : 447450 Laschi R, Badiali DG, Bonvicini F, Centurione L
However, if the FDA ultimately reclassifies them and they are produced by compounding pharmacies in the U.S., clinicians would have discretion to write prescriptions outside of those narrow indications
But only two companies are truly shaping the game